O
ᚑ
onn · gorse / furze
How to say it: “oh” — short; longer with a fada (ó)
Bríatharogam Morainncongnaid ech“wounder of horses”
Note: McManus’s reading; an older variant in Calder 1917 reads congnamaid echraide, ‘helper of horses’.
Bríatharogam Maic ind Ócféthem soíre“smoothest of craftsmanship”
Bríatharogam Con Culainnlúth fían“equipment of warrior-bands”
McManus 1991, §6 · Auraicept
The letter O is one of the eighteen letters of the traditional Irish alphabet, called onn. In the Ogham tree-alphabet, this letter is associated with the gorse / furze. The Grimoire currently lists 659 words beginning with O, drawn from the vocabulary section across 52 themes.
Search just within entries beginning with O. English or Irish; accents optional.
Words beginning with O
Abstract Concepts
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| oibleagáid | ᚛ᚑᚔᚁᚂᚓᚐᚌᚐᚔᚇ᚜ | IH-bla-gaw-uhd | obligation | WiktionarygaelspellFoclóirTeanglann | |
| ómós | ᚛ᚑᚋᚑᚄ᚜ | OH-mohs | esteem | WiktionarygaelspellFoclóirTeanglann |
Adverbs & Common Expressions
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| ó am go ham | ᚛ᚑ ᚐᚋ ᚌᚑ ᚆᚐᚋ᚜ | oh am guh HAM | from time to time | WiktionaryRosmerta editorial | From time to time. |
| ó chianaibh | ᚛ᚑ ᚉᚆᚔᚐᚅᚐᚔᚁᚆ᚜ | OH HEE-UH-nuh-uhv | a while ago | WiktionaryFoclóir | From , archaic dative plural of . |
| ó thús go deireadh | ᚛ᚑ ᚈᚆᚒᚄ ᚌᚑ ᚇᚓᚔᚏᚓᚐᚇᚆ᚜ | OH HOOS GUH DEH-uh-ragh | from beginning to end | WiktionaryFoclóir | |
| óamgoham | ᚛ᚑᚐᚋᚌᚑᚆᚐᚋ᚜ | OH-uh-mguh-huhm | fromtimetotime | ApertiumFoclóir | |
| ón taobh | ᚛ᚑᚅ ᚈᚐᚑᚁᚆ᚜ | OHN TEEW | sideways | FoclóirTeanglann | |
| óshin | ᚛ᚑᚄᚆᚔᚅ᚜ | OH-huhn | ago | ApertiumFoclóir |
Animals
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| oisín | ᚛ᚑᚔᚄᚔᚅ᚜ | ih-SHEEN | fawn | WiktionaryTatoebagaelspellFoclóirTeanglann | |
| ostrais | ᚛ᚑᚄᚈᚏᚐᚔᚄ᚜ | UH-struh-uhsh | ostrich | gaelspellFoclóirTeanglann | |
| ócairín | ᚛ᚑᚉᚐᚔᚏᚔᚅ᚜ | oh-kuh-uh-REEN | ocarina | WiktionaryFoclóir | Borrowed from , due to the musical instrument’s resemblance to the animal. |
Art & Design
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| oscailt | ᚛ᚑᚄᚉᚐᚔᚂᚈ᚜ | UH-skuh-uhlt | aperture | WiktionaryTatoebagaelspellFoclóirTeanglann | |
| osréalachas | ᚛ᚑᚄᚏᚓᚐᚂᚐᚉᚆᚐᚄ᚜ | UH-shray-uh-luh-khuhs | surrealism | WiktionarygaelspellFoclóirTeanglann |
Body
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| orca | ᚛ᚑᚏᚉᚐ᚜ | UH-rkuh | calf | WiktionaryFoclóirTeanglann | |
| ordóg | ᚛ᚑᚏᚇᚑᚌ᚜ | UH-rdohg | thumb | WiktionarygaelspellFoclóirTeanglann | |
| oscailt súl | ᚛ᚑᚄᚉᚐᚔᚂᚈ ᚄᚒᚂ᚜ | UH-skuh-uhlt SOOL | eye-opener | Foclóir | |
| osán | ᚛ᚑᚄᚐᚅ᚜ | UH-sawn | leg | WiktionarygaelspellFoclóirTeanglann |
Bríatharogaim (Ogham Kennings)
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| onn | ᚛ᚑᚅᚅ᚜ | un | onnOld Irish | gaelspellCELT — Auraicept | Onn — Ogham letter O. Tree: gorse (furze). Kenning: ‘helper of horses’ (congnaid ech). |
Buildings & Architecture
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| oifig | ᚛ᚑᚔᚃᚔᚌ᚜ | IH-fuhg | office | WiktionaryTatoebagaelspellFoclóirTeanglann | |
| oifig phoist | ᚛ᚑᚔᚃᚔᚌ ᚚᚆᚑᚔᚄᚈ᚜ | IH-fuhg FIHSHT | post office | Foclóir | |
| ollsiopa | ᚛ᚑᚂᚂᚄᚔᚑᚚᚐ᚜ | UH-llshuh-uh-puh | emporium | gaelspellFoclóirTeanglann | |
| ospidéal | ᚛ᚑᚄᚚᚔᚇᚓᚐᚂ᚜ | USS-pid-ayl | hospital | WiktionaryTatoebagaelspellFoclóirTeanglann | Hospital. Latin loan via French. |
| ósta | ᚛ᚑᚄᚈᚐ᚜ | OH-stuh | inn | WiktionaryTatoebagaelspellFoclóirTeanglann | |
| ósta bóthair | ᚛ᚑᚄᚈᚐ ᚁᚑᚈᚆᚐᚔᚏ᚜ | OH-stuh BOH-huh-uhr | roadhouse | FoclóirTeanglann | |
| óstán | ᚛ᚑᚄᚈᚐᚅ᚜ | OHSS-tawn | hotel | WiktionaryTatoebagaelspellFoclóirTeanglann | Hotel. |
Business & Office
Children’s Vocabulary
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| ógánach | ᚛ᚑᚌᚐᚅᚐᚉᚆ᚜ | OH-gaw-nuhkh | adolescent | WiktionarygaelspellFoclóirTeanglann |
Colors
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| ollfhathach dearg | ᚛ᚑᚂᚂᚃᚆᚐᚈᚆᚐᚉᚆ ᚇᚓᚐᚏᚌ᚜ | UH-lluh-huhkh DARG | red supergiant | WiktionaryFoclóir | |
| ollfhathach gorm | ᚛ᚑᚂᚂᚃᚆᚐᚈᚆᚐᚉᚆ ᚌᚑᚏᚋ᚜ | UH-lluh-huhkh GUHRM | blue supergiant | WiktionaryFoclóir | |
| oráiste | ᚛ᚑᚏᚐᚔᚄᚈᚓ᚜ | uh-RAW-shtuh | orange | WiktionaryTatoebagaelspellGrimoire XI.7 | Orange. Borrowed from English; the older native word is flannbhuí. |
| ócar | ᚛ᚑᚉᚐᚏ᚜ | OH-kuhr | ochre | WiktionarygaelspellFoclóirTeanglann | |
| ócáid fhoirmeálta a bheidh ann | ᚛ᚑᚉᚐᚔᚇ ᚃᚆᚑᚔᚏᚋᚓᚐᚂᚈᚐ ᚐ ᚁᚆᚓᚔᚇᚆ ᚐᚅᚅ᚜ | OH-kaw-uhd IH-rmaw-ltuh AH VEH-uhy AHNN | black-tie | Foclóir | |
| óir | ᚛ᚑᚔᚏ᚜ | OR | golden | WiktionaryTatoebagaelspellFoclóirTeanglann | Golden, of gold. Niamh Chinn Óir — Niamh of the Golden Hair. |
| ómra | ᚛ᚑᚋᚏᚐ᚜ | OH-mruh | amber | WiktionarygaelspellFoclóirTeanglann | |
| ópalach | ᚛ᚑᚚᚐᚂᚐᚉᚆ᚜ | OH-puh-luhkh | opalescent | WiktionaryFoclóirTeanglann | |
| ór | ᚛ᚑᚏ᚜ | OHR | gold | WiktionarygaelspellGrimoire XI.7 | Gold. Pota óir, pot of gold. |
| órbhuí | ᚛ᚑᚏᚁᚆᚒᚔ᚜ | OH-rwuh-ee | golden-yellow | gaelspellFoclóir | |
| órchlásal | ᚛ᚑᚏᚉᚆᚂᚐᚄᚐᚂ᚜ | OH-rkhlaw-suhl | gold clause | WiktionaryFoclóir | |
| órdhonn | ᚛ᚑᚏᚇᚆᚑᚅᚅ᚜ | OH-rghuhnn | auburn | gaelspellFoclóirTeanglann | |
| órga | ᚛ᚑᚏᚌᚐ᚜ | OHR-guh | golden | WiktionarygaelspellGrimoire XI.7 | Golden. The adjective form of ór. |
| órphlátáilte | ᚛ᚑᚏᚚᚆᚂᚐᚈᚐᚔᚂᚈᚓ᚜ | OH-rflaw-taw-uh-ltuh | gold-plated | gaelspellFoclóir | |
| órthóraíocht | ᚛ᚑᚏᚈᚆᚑᚏᚐᚔᚑᚉᚆᚈ᚜ | OH-rhoh-ree-uhkht | a gold rush | WiktionaryFoclóir |
Common Adjectives
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| oblátach | ᚛ᚑᚁᚂᚐᚈᚐᚉᚆ᚜ | UH-blaw-tuhkh | oblate | WiktionarygaelspellFoclóir | From + . |
| ocrach | ᚛ᚑᚉᚏᚐᚉᚆ᚜ | UH-kruhkh | hungry | WiktionarygaelspellFoclóirTeanglann | From (compare , modern ). |
| ocsapatach | ᚛ᚑᚉᚄᚐᚚᚐᚈᚐᚉᚆ᚜ | UH-ksuh-puh-tuhkh | occipital | WiktionaryFoclóir | From + . |
| oibiachtúil | ᚛ᚑᚔᚁᚔᚐᚉᚆᚈᚒᚔᚂ᚜ | IH-bee-uh-khtoo-uhl | objective | WiktionarygaelspellFoclóirTeanglann | |
| oideasach | ᚛ᚑᚔᚇᚓᚐᚄᚐᚉᚆ᚜ | IH-da-suhkh | educational | WiktionarygaelspellFoclóir | |
| oidhreachtúil | ᚛ᚑᚔᚇᚆᚏᚓᚐᚉᚆᚈᚒᚔᚂ᚜ | IH-yra-khtoo-uhl | hereditary | WiktionarygaelspellFoclóirTeanglann | |
| oifigiúil | ᚛ᚑᚔᚃᚔᚌᚔᚒᚔᚂ᚜ | IH-fuh-guh-oo-uhl | official | WiktionarygaelspellFoclóir | |
| oiléach | ᚛ᚑᚔᚂᚓᚐᚉᚆ᚜ | IH-lay-uhkh | oleic | WiktionaryFoclóir | |
| oinceolaíoch | ᚛ᚑᚔᚅᚉᚓᚑᚂᚐᚔᚑᚉᚆ᚜ | IH-nkoh-lee-uhkh | oncological | WiktionaryFoclóir | From + . |
| Oir-Indiach | ᚛ᚑᚔᚏᚔᚅᚇᚔᚐᚉᚆ᚜ | IH-ruh-ndee-uhkh | east indian | WiktionarygaelspellFoclóir | |
| oirmhinneach | ᚛ᚑᚔᚏᚋᚆᚔᚅᚅᚓᚐᚉᚆ᚜ | IH-rvuh-nnakh | reverend | WiktionarygaelspellFoclóirTeanglann | |
| oismeafóbach | ᚛ᚑᚔᚄᚋᚓᚐᚃᚑᚁᚐᚉᚆ᚜ | IH-shma-foh-buhkh | osmiophobic | WiktionaryFoclóir | |
| ola-adhainte | ᚛ᚑᚂᚐᚐᚇᚆᚐᚔᚅᚈᚓ᚜ | UH-luh-eye-uh-uh-ntuh | oil-fired | WiktionaryFoclóir | From , past participle of . |
| olagónach | ᚛ᚑᚂᚐᚌᚑᚅᚐᚉᚆ᚜ | UH-luh-goh-nuhkh | lamenting | WiktionarygaelspellFoclóir | |
| olanda | ᚛ᚑᚂᚐᚅᚇᚐ᚜ | UH-luh-nduh | woolly | WiktionarygaelspellFoclóir | |
| olc | ᚛ᚑᚂᚉ᚜ | ULK | bad | WiktionaryTatoebagaelspellGrimoire XI.4 | Bad. Comparative níos measa, worse, irregular. |
| oll | ᚛ᚑᚂᚂ᚜ | UHLL | great; huge | WiktionarygaelspellFoclóir | From , from , from , o-grade derivative of the root . |
| ollghuthach | ᚛ᚑᚂᚂᚌᚆᚒᚈᚆᚐᚉᚆ᚜ | UH-llghuh-huhkh | stentorian | WiktionarygaelspellFoclóir | From + . |
| ollmhór | ᚛ᚑᚂᚂᚋᚆᚑᚏ᚜ | UH-llwohr | colossal | WiktionarygaelspellFoclóirTeanglann | |
| ollscolach | ᚛ᚑᚂᚂᚄᚉᚑᚂᚐᚉᚆ᚜ | UH-llskuh-luhkh | academical | WiktionaryFoclóir | |
| ollásach | ᚛ᚑᚂᚂᚐᚄᚐᚉᚆ᚜ | UH-llaw-suhkh | magnificent | WiktionarygaelspellFoclóir | |
| ollúnta | ᚛ᚑᚂᚂᚒᚅᚈᚐ᚜ | UH-lloo-ntuh | professorial | WiktionarygaelspellFoclóir | |
| olúil | ᚛ᚑᚂᚒᚔᚂ᚜ | UH-loo-uhl | oily | gaelspellFoclóirTeanglann | |
| ombratrófach | ᚛ᚑᚋᚁᚏᚐᚈᚏᚑᚃᚐᚉᚆ᚜ | UH-mbruh-troh-fuhkh | ombrotrophic | WiktionaryFoclóir | |
| onórach | ᚛ᚑᚅᚑᚏᚐᚉᚆ᚜ | UH-noh-ruhkh | honourable | ApertiumgaelspellFoclóir | |
| optúil | ᚛ᚑᚚᚈᚒᚔᚂ᚜ | UH-ptoo-uhl | optical | WiktionarygaelspellFoclóir | |
| oraigineach | ᚛ᚑᚏᚐᚔᚌᚔᚅᚓᚐᚉᚆ᚜ | UH-ruh-uh-guh-nakh | orogenic | WiktionaryFoclóir | |
| ordaithe | ᚛ᚑᚏᚇᚐᚔᚈᚆᚓ᚜ | UH-rduh-uh-huh | ordered | WiktionarygaelspellFoclóir | |
| ordúil | ᚛ᚑᚏᚇᚒᚔᚂ᚜ | UH-rdoo-uhl | neat; ordered | WiktionarygaelspellFoclóir | From . . |
| orgánaileipteach | ᚛ᚑᚏᚌᚐᚅᚐᚔᚂᚓᚔᚚᚈᚓᚐᚉᚆ᚜ | UH-rgaw-nuh-uh-luh-uh-ptakh | organoleptic | WiktionaryFoclóir | |
| ortacrómatach | ᚛ᚑᚏᚈᚐᚉᚏᚑᚋᚐᚈᚐᚉᚆ᚜ | UH-rtuh-kroh-muh-tuhkh | orthochromatic | WiktionaryFoclóir | |
| ortadocsach | ᚛ᚑᚏᚈᚐᚇᚑᚉᚄᚐᚉᚆ᚜ | UH-rtuh-duh-ksuhkh | orthodox | WiktionarygaelspellFoclóirTeanglann | From (+ ), from , from + . |
| ortadromach | ᚛ᚑᚏᚈᚐᚇᚏᚑᚋᚐᚉᚆ᚜ | UH-rtuh-druh-muhkh | orthodromic | WiktionaryFoclóir | From + + . |
| osbhuí | ᚛ᚑᚄᚁᚆᚒᚔ᚜ | UH-swuh-ee | fawn | WiktionarygaelspellFoclóirTeanglann | |
| oscailteach | ᚛ᚑᚄᚉᚐᚔᚂᚈᚓᚐᚉᚆ᚜ | UH-skuh-uh-ltakh | frank | WiktionarygaelspellFoclóirTeanglann | |
| oschéadfaíoch | ᚛ᚑᚄᚉᚆᚓᚐᚇᚃᚐᚔᚑᚉᚆ᚜ | UH-shhay-uh-dfee-uhkh | suprasensible | WiktionaryFoclóir | From + . |
| osduánach | ᚛ᚑᚄᚇᚒᚐᚅᚐᚉᚆ᚜ | UH-sduh-aw-nuhkh | suprarenal | WiktionaryFoclóir | |
| osnormálta | ᚛ᚑᚄᚅᚑᚏᚋᚐᚂᚈᚐ᚜ | UH-snuh-rmaw-ltuh | supernormal | WiktionaryFoclóir | |
| osnádúrtha | ᚛ᚑᚄᚅᚐᚇᚒᚏᚈᚆᚐ᚜ | UH-snaw-doo-rhuh | supernatural | WiktionarygaelspellFoclóir | |
| osoighreach | ᚛ᚑᚄᚑᚔᚌᚆᚏᚓᚐᚉᚆ᚜ | UH-sih-yrakh | supraglacial | WiktionaryFoclóir | |
| osordaithe | ᚛ᚑᚄᚑᚏᚇᚐᚔᚈᚆᚓ᚜ | UH-suh-rduh-uh-huh | superordinate | WiktionaryFoclóir | |
| osréalach | ᚛ᚑᚄᚏᚓᚐᚂᚐᚉᚆ᚜ | UH-shray-uh-luhkh | surrealist | WiktionarygaelspellFoclóir | |
| osréalaíoch | ᚛ᚑᚄᚏᚓᚐᚂᚐᚔᚑᚉᚆ᚜ | UH-shray-uh-lee-uhkh | surrealist | WiktionarygaelspellFoclóir | |
| ostairseachúil | ᚛ᚑᚄᚈᚐᚔᚏᚄᚓᚐᚉᚆᚒᚔᚂ᚜ | UH-stuh-uh-rsha-khoo-uhl | supraliminal | WiktionaryFoclóir | |
| otair | ᚛ᚑᚈᚐᚔᚏ᚜ | UH-tuh-uhr | filthy | WiktionarygaelspellFoclóir | |
| Otamánach | ᚛ᚑᚈᚐᚋᚐᚅᚐᚉᚆ᚜ | UH-tuh-maw-nuhkh | ottoman | WiktionarygaelspellFoclóir | |
| othar | ᚛ᚑᚈᚆᚐᚏ᚜ | UH-huhr | patient | WiktionarygaelspellFoclóirTeanglann | |
| ócair | ᚛ᚑᚉᚐᚔᚏ᚜ | OH-kuh-uhr | ochre | WiktionarygaelspellFoclóirTeanglann | |
| ócáideach | ᚛ᚑᚉᚐᚔᚇᚓᚐᚉᚆ᚜ | OH-kaw-uh-dakh | occasional | WiktionarygaelspellFoclóir | |
| ócáidíoch | ᚛ᚑᚉᚐᚔᚇᚔᚑᚉᚆ᚜ | OH-kaw-uh-dee-uhkh | occasionalistic | WiktionaryFoclóir | |
| óg | ᚛ᚑᚌ᚜ | OHG | young | WiktionaryTatoebagaelspellGrimoire XI.4 | Young. Tír na nÓg is the country of the young. |
| óga | ᚛ᚑᚌᚐ᚜ | OH-guh | young | gaelspellFoclóirTeanglann | |
| ógánta | ᚛ᚑᚌᚐᚅᚈᚐ᚜ | OH-gaw-ntuh | adolescent | WiktionarygaelspellFoclóirTeanglann | |
| óltach | ᚛ᚑᚂᚈᚐᚉᚆ᚜ | OH-ltuhkh | drunk | WiktionarygaelspellFoclóirTeanglann | |
| óraithe | ᚛ᚑᚏᚐᚔᚈᚆᚓ᚜ | OH-ruh-uh-huh | gilded | gaelspellFoclóirTeanglann | |
| órtháirgeach | ᚛ᚑᚏᚈᚆᚐᚔᚏᚌᚓᚐᚉᚆ᚜ | OH-rhaw-uh-rgakh | auriferous | WiktionaryFoclóir | |
| óráideach | ᚛ᚑᚏᚐᚔᚇᚓᚐᚉᚆ᚜ | OH-raw-uh-dakh | declamatory | WiktionarygaelspellFoclóir |
Common Nouns – Places & Things
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| obair | ᚛ᚑᚁᚐᚔᚏ᚜ | UB-ur | work | WiktionaryTatoebagaelspellGrimoire XI.2 | Feminine. Work, also the verbal noun of oibrigh. Tá mé ag obair, I am working. |
| oíche | ᚛ᚑᚔᚉᚆᚓ᚜ | EE-huh | night | WiktionaryTatoebagaelspellGrimoire XI.2 | Feminine. Night. Pronounced EE-huh, the ch nearly silent. |
| ócáid | ᚛ᚑᚉᚐᚔᚇ᚜ | OH-kaw-uhd | occasion | WiktionarygaelspellFoclóirTeanglann | |
| ócáid cheiliúrtha | ᚛ᚑᚉᚐᚔᚇ ᚉᚆᚓᚔᚂᚔᚒᚏᚈᚆᚐ᚜ | OH-kaw-uhd HEH-uh-luh-oo-rhuh | gala | FoclóirTeanglann | |
| óráid | ᚛ᚑᚏᚐᚔᚇ᚜ | OH-raw-uhd | oration | WiktionaryTatoebagaelspellFoclóirTeanglann |
Common Verbs
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| oibiachtúlaigh | ᚛ᚑᚔᚁᚔᚐᚉᚆᚈᚒᚂᚐᚔᚌᚆ᚜ | IH-bee-uh-khtoo-luh-uhy | objectivize | WiktionaryFoclóir | |
| oibrigh | ᚛ᚑᚔᚁᚏᚔᚌᚆ᚜ | EB-ree | work | WiktionarygaelspellGrimoire XI.3 | Second-conjugation verb meaning work. The verbal noun is oibriú. |
| oibrighim | ᚛ᚑᚔᚁᚏᚔᚌᚆᚔᚋ᚜ | IH-bruh-yuhm | : | WiktionaryFoclóir | |
| oibrí deonach | ᚛ᚑᚔᚁᚏᚔ ᚇᚓᚑᚅᚐᚉᚆ᚜ | IH-bree DOH-nuhkh | volunteer | FoclóirTeanglann | |
| oideachas a chur ar | ᚛ᚑᚔᚇᚓᚐᚉᚆᚐᚄ ᚐ ᚉᚆᚒᚏ ᚐᚏ᚜ | IH-da-khuhs AH KHUHR AHR | educate | FoclóirTeanglann | |
| oighrigh | ᚛ᚑᚔᚌᚆᚏᚔᚌᚆ᚜ | IH-yruhy | congeal | WiktionarygaelspellFoclóir | |
| oir | ᚛ᚑᚔᚏ᚜ | IHR | become | WiktionarygaelspellFoclóir | |
| oir do | ᚛ᚑᚔᚏ ᚇᚑ᚜ | IHR DUH | need | WiktionaryFoclóirTeanglann | |
| onóir | ᚛ᚑᚅᚑᚔᚏ᚜ | UH-noh-uhr | honour | WiktionarygaelspellFoclóirTeanglann | |
| ord | ᚛ᚑᚏᚇ᚜ | UHRD | order | gaelspellFoclóirTeanglann | |
| ordaigh | ᚛ᚑᚏᚇᚐᚔᚌᚆ᚜ | UH-rduh-uhy | order | WiktionarygaelspellFoclóirTeanglann | From , from , from , a learned borrowing from . . Cognate with and . |
| ordú | ᚛ᚑᚏᚇᚒ᚜ | UH-rdoo | command | WiktionarygaelspellFoclóirTeanglann | |
| oscail | ᚛ᚑᚄᚉᚐᚔᚂ᚜ | US-kull | open | WiktionaryTatoebagaelspellGrimoire XI.3 | Second-conjugation verb meaning open. Imperative oscail!, the door-knock answer. |
| ólta | ᚛ᚑᚂᚈᚐ᚜ | OHL-tuh | drunk | WiktionaryTatoebagaelspellFoclóirTeanglann | Drunk (i.e., consumed) — past participle of ól. |
| órphlátáil | ᚛ᚑᚏᚚᚆᚂᚐᚈᚐᚔᚂ᚜ | OH-rflaw-taw-uhl | gold plate | WiktionaryFoclóir |
Communication
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| osna a ligean | ᚛ᚑᚄᚅᚐ ᚐ ᚂᚔᚌᚓᚐᚅ᚜ | UH-snuh AH LIH-gan | sigh | FoclóirTeanglann |
Directions
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| oirdheisceart | ᚛ᚑᚔᚏᚇᚆᚓᚔᚄᚉᚓᚐᚏᚈ᚜ | IH-ryuh-uh-shkart | southeast | WiktionarygaelspellFoclóirTeanglann | |
| oirthear | ᚛ᚑᚔᚏᚈᚆᚓᚐᚏ᚜ | OR-her | east | WiktionarygaelspellGrimoire XI.17 | East. |
| oirthuaisceart | ᚛ᚑᚔᚏᚈᚆᚒᚐᚔᚄᚉᚓᚐᚏᚈ᚜ | IH-rhoo-uh-uh-shkart | northeast | WiktionarygaelspellFoclóirTeanglann | |
| os cionn | ᚛ᚑᚄ ᚉᚔᚑᚅᚅ᚜ | UHS KIH-uhnn | above | WiktionaryFoclóirTeanglann | |
| ó dheas | ᚛ᚑ ᚇᚆᚓᚐᚄ᚜ | oh yass | southwards | WiktionaryFoclóirTeanglann | Southwards. |
Education
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| obair bhaile | ᚛ᚑᚁᚐᚔᚏ ᚁᚆᚐᚔᚂᚓ᚜ | UH-buh-uhr WAH-uh-luh | homework | WiktionaryFoclóirTeanglann | |
| oide | ᚛ᚑᚔᚇᚓ᚜ | IH-duh | tutor | WiktionarygaelspellFoclóirTeanglann | |
| ollscoil | ᚛ᚑᚂᚂᚄᚉᚑᚔᚂ᚜ | UL-skul | university | WiktionaryTatoebagaelspellFoclóirTeanglann | University — literally ‘great-school.’ Built from oll (great). |
| ollscolaíocht | ᚛ᚑᚂᚂᚄᚉᚑᚂᚐᚔᚑᚉᚆᚈ᚜ | UH-llskuh-lee-uhkht | university education | WiktionarygaelspellFoclóir | From ; compare , from . |
Emotional and bodily states
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| ocras | ᚛ᚑᚉᚏᚐᚄ᚜ | UK-russ | hungeron-me | WiktionaryTatoebagaelspellFoclóirTeanglann | Hunger. Tá ocras orm — “hunger is on me” — means “I am hungry.” |
Events & Holidays
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| Oíche Nollaig na mBan | ᚛ᚑᚔᚉᚆᚓ ᚅᚑᚂᚂᚐᚔᚌ ᚅᚐ ᚋᚁᚐᚅ᚜ | EE-huh NUL-ig NAH MBAHN | twelfth night | Foclóir |
Fish & Sea Life
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| ochtapas | ᚛ᚑᚉᚆᚈᚐᚚᚐᚄ᚜ | UH-khtuh-puhs | octopus | WiktionarygaelspellFoclóirTeanglann |
Food & Drink
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| oinniún | ᚛ᚑᚔᚅᚅᚔᚒᚅ᚜ | ON-yoon | onion | WiktionarygaelspellFoclóirTeanglann | Onion. |
| ola | ᚛ᚑᚂᚐ᚜ | UL-uh | oilLatin loan | WiktionaryTatoebagaelspellGrimoire XI.13 | Oil. |
| ouzo | ᚛ᚑᚒᚑ᚜ | UH-uh-zuh | ouzo | Foclóir |
General Vocabulary
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| obair bhrící | ᚛ᚑᚁᚐᚔᚏ ᚁᚆᚏᚔᚉᚔ᚜ | UH-buh-uhr VREE-kee | brickwork | Foclóir | |
| obair cheardaíochta | ᚛ᚑᚁᚐᚔᚏ ᚉᚆᚓᚐᚏᚇᚐᚔᚑᚉᚆᚈᚐ᚜ | UH-buh-uhr HA-rdee-uh-khtuh | craftwork | WiktionaryFoclóir | |
| obair chúrsa | ᚛ᚑᚁᚐᚔᚏ ᚉᚆᚒᚏᚄᚐ᚜ | UH-buh-uhr KHOO-rsuh | coursework | Foclóir | |
| obair easchósta | ᚛ᚑᚁᚐᚔᚏ ᚓᚐᚄᚉᚆᚑᚄᚈᚐ᚜ | UH-buh-uhr A-skhoh-stuh | offshoring | Foclóir | |
| obair faoi choim | ᚛ᚑᚁᚐᚔᚏ ᚃᚐᚑᚔ ᚉᚆᚑᚔᚋ᚜ | UH-buh-uhr FEE-uh KHIHM | moonlighting | Foclóir | |
| obair iarainn | ᚛ᚑᚁᚐᚔᚏ ᚔᚐᚏᚐᚔᚅᚅ᚜ | UH-buh-uhr EE-UH-ruh-uhnn | ironwork | Foclóir | |
| obair ranga | ᚛ᚑᚁᚐᚔᚏ ᚏᚐᚅᚌᚐ᚜ | UH-buh-uhr RAH-nguh | classwork | Foclóir | |
| obair sa bhaile | ᚛ᚑᚁᚐᚔᚏ ᚄᚐ ᚁᚆᚐᚔᚂᚓ᚜ | UH-buh-uhr SAH WAH-uh-luh | outwork | Foclóir | |
| obair scuaibe | ᚛ᚑᚁᚐᚔᚏ ᚄᚉᚒᚐᚔᚁᚓ᚜ | UH-buh-uhr SKOO-UH-uh-buh | brushwork | Foclóir | |
| obair sheachtrach | ᚛ᚑᚁᚐᚔᚏ ᚄᚆᚓᚐᚉᚆᚈᚏᚐᚉᚆ᚜ | UH-buh-uhr HA-khtruhkh | outworking | Foclóir | |
| obair shnáthaide | ᚛ᚑᚁᚐᚔᚏ ᚄᚆᚅᚐᚈᚆᚐᚔᚇᚓ᚜ | UH-buh-uhr HNAW-huh-uh-duh | needlecraft | WiktionaryFoclóir | |
| obair tí | ᚛ᚑᚁᚐᚔᚏ ᚈᚔ᚜ | UH-buh-uhr TEE | housework | Foclóir | |
| obair ón mbaile | ᚛ᚑᚁᚐᚔᚏ ᚑᚅ ᚋᚁᚐᚔᚂᚓ᚜ | UH-buh-uhr OHN MBAH-uh-luh | homeworking | Foclóir | |
| Oblátach | ᚛ᚑᚁᚂᚐᚈᚐᚉᚆ᚜ | UH-blaw-tuhkh | oblate | WiktionarygaelspellFoclóir | |
| oblátacht | ᚛ᚑᚁᚂᚐᚈᚐᚉᚆᚈ᚜ | UH-blaw-tuhkht | oblateness | WiktionaryFoclóir | |
| obstatraic | ᚛ᚑᚁᚄᚈᚐᚈᚏᚐᚔᚉ᚜ | UH-bstuh-truh-uhk | obstetrics | Foclóir | |
| ocastóir stoic | ᚛ᚑᚉᚐᚄᚈᚑᚔᚏ ᚄᚈᚑᚔᚉ᚜ | UH-kuh-stoh-uhr STIHK | jobber | Foclóir | |
| ochlán | ᚛ᚑᚉᚆᚂᚐᚅ᚜ | UH-khlawn | groan | WiktionarygaelspellFoclóirTeanglann | |
| ocht … déag | ᚛ᚑᚉᚆᚈ ᚇᚓᚐᚌ᚜ | | eighteen- | Foclóir | |
| ochtagán | ᚛ᚑᚉᚆᚈᚐᚌᚐᚅ᚜ | UH-khtuh-gawn | octagon | WiktionarygaelspellFoclóir | |
| ochtagánach | ᚛ᚑᚉᚆᚈᚐᚌᚐᚅᚐᚉᚆ᚜ | UH-khtuh-gaw-nuhkh | octagonal | WiktionarygaelspellFoclóir | |
| ochtaihéadrán | ᚛ᚑᚉᚆᚈᚐᚔᚆᚓᚐᚇᚏᚐᚅ᚜ | UH-khtuh-uh-hay-uh-drawn | octahedron | gaelspellFoclóir | |
| ochtapas beag | ᚛ᚑᚉᚆᚈᚐᚚᚐᚄ ᚁᚓᚐᚌ᚜ | UH-khtuh-puhs BAG | curled octopus | WiktionaryFoclóir | |
| ochtnártha | ᚛ᚑᚉᚆᚈᚅᚐᚏᚈᚆᚐ᚜ | UH-khtnaw-rhuh | octal | gaelspellFoclóir | |
| ochtán | ᚛ᚑᚉᚆᚈᚐᚅ᚜ | UH-khtawn | octane | gaelspellFoclóir | |
| ochtódú | ᚛ᚑᚉᚆᚈᚑᚇᚒ᚜ | UH-khtoh-doo | eightieth | WiktionarygaelspellFoclóir | |
| ochtú … déag | ᚛ᚑᚉᚆᚈᚒ ᚇᚓᚐᚌ᚜ | | eighteenth | Foclóir | |
| ochón | ᚛ᚑᚉᚆᚑᚅ᚜ | UH-khohn | alas | WiktionarygaelspellFoclóir | |
| oclúid | ᚛ᚑᚉᚂᚒᚔᚇ᚜ | UH-kloo-uhd | occlusion | gaelspellFoclóir | |
| ocra | ᚛ᚑᚉᚏᚐ᚜ | UH-kruh | okra | Foclóir | |
| Ocsatáinis | ᚛ᚑᚉᚄᚐᚈᚐᚔᚅᚔᚄ᚜ | UH-ksuh-taw-uh-nuhsh | occitan | gaelspellFoclóir | |
| ocsaíd | ᚛ᚑᚉᚄᚐᚔᚇ᚜ | UH-kseed | oxide | WiktionarygaelspellFoclóir | |
| octábhó | ᚛ᚑᚉᚈᚐᚁᚆᚑ᚜ | UH-ktaw-woh | octavo | Foclóir | |
| odaiméadar | ᚛ᚑᚇᚐᚔᚋᚓᚐᚇᚐᚏ᚜ | UH-duh-uh-may-uh-duhr | odometer | gaelspellFoclóir | |
| odaisé | ᚛ᚑᚇᚐᚔᚄᚓ᚜ | UH-duh-uh-shay | odyssey | gaelspellFoclóir | |
| Odessa | ᚛ᚑᚇᚓᚄᚄᚐ᚜ | UH-duh-shshuh | odessa | gaelspellFoclóir | |
| ofráil | ᚛ᚑᚃᚏᚐᚔᚂ᚜ | UH-fraw-uhl | oblation | WiktionarygaelspellFoclóir | |
| oftailme | ᚛ᚑᚃᚈᚐᚔᚂᚋᚓ᚜ | UH-ftuh-uh-lmuh | ophthalmia | WiktionaryFoclóir | |
| oftailmeolaí | ᚛ᚑᚃᚈᚐᚔᚂᚋᚓᚑᚂᚐᚔ᚜ | UH-ftuh-uh-lmoh-lee | ophthalmologist | WiktionarygaelspellFoclóir | |
| oftailmeolaíocht | ᚛ᚑᚃᚈᚐᚔᚂᚋᚓᚑᚂᚐᚔᚑᚉᚆᚈ᚜ | UH-ftuh-uh-lmoh-lee-uhkht | ophthalmology | WiktionarygaelspellFoclóir | |
| oftalmach | ᚛ᚑᚃᚈᚐᚂᚋᚐᚉᚆ᚜ | UH-ftuh-lmuhkh | ophthalmic | gaelspellFoclóir | |
| oftalmacht | ᚛ᚑᚃᚈᚐᚂᚋᚐᚉᚆᚈ᚜ | UH-ftuh-lmuhkht | ophthalmics | Foclóir | |
| oftalmascóp | ᚛ᚑᚃᚈᚐᚂᚋᚐᚄᚉᚑᚚ᚜ | UH-ftuh-lmuh-skohp | ophthalmoscope | Foclóir | |
| ogham | ᚛ᚑᚌᚆᚐᚋ᚜ | UH-ghuhm | ogham | WiktionarygaelspellFoclóir | From , , . |
| Ohio | ᚛ᚑᚆᚔᚑ᚜ | UH-huh-uh | ohio | gaelspellFoclóir | |
| oibiacht | ᚛ᚑᚔᚁᚔᚐᚉᚆᚈ᚜ | IH-bee-uhkht | object | WiktionarygaelspellFoclóirTeanglann | |
| oibiachtachas | ᚛ᚑᚔᚁᚔᚐᚉᚆᚈᚐᚉᚆᚐᚄ᚜ | IH-bee-uh-khtuh-khuhs | objectivism | Foclóir | |
| oibiachtú | ᚛ᚑᚔᚁᚔᚐᚉᚆᚈᚒ᚜ | IH-bee-uh-khtoo | objectification | Foclóir | |
| oibilisc | ᚛ᚑᚔᚁᚔᚂᚔᚄᚉ᚜ | IH-buh-luhshk | obelisk | gaelspellFoclóir | |
| oibleagáideach | ᚛ᚑᚔᚁᚂᚓᚐᚌᚐᚔᚇᚓᚐᚉᚆ᚜ | IH-bla-gaw-uh-dakh | obliging | gaelspellFoclóir | |
| oibreacha brící | ᚛ᚑᚔᚁᚏᚓᚐᚉᚆᚐ ᚁᚏᚔᚉᚔ᚜ | IH-bra-khuh BREE-kee | brickworks | Foclóir | |
| oibreacha cloig | ᚛ᚑᚔᚁᚏᚓᚐᚉᚆᚐ ᚉᚂᚑᚔᚌ᚜ | IH-bra-khuh KLIHG | clockwork | Foclóir | |
| oibreacha créafóige | ᚛ᚑᚔᚁᚏᚓᚐᚉᚆᚐ ᚉᚏᚓᚐᚃᚑᚔᚌᚓ᚜ | IH-bra-khuh KRAY-uh-foh-uh-guh | earthworks | Foclóir | |
| oibreacha gáis | ᚛ᚑᚔᚁᚏᚓᚐᚉᚆᚐ ᚌᚐᚔᚄ᚜ | IH-bra-khuh GAW-uhsh | gasworks | Foclóir | |
| oibreacha iarainn | ᚛ᚑᚔᚁᚏᚓᚐᚉᚆᚐ ᚔᚐᚏᚐᚔᚅᚅ᚜ | IH-bra-khuh EE-UH-ruh-uhnn | ironworks | Foclóir | |
| oibreachas | ᚛ᚑᚔᚁᚏᚓᚐᚉᚆᚐᚄ᚜ | IH-bra-khuhs | labourism | gaelspellFoclóir | |
| oibreann | ᚛ᚑᚔᚁᚏᚓᚐᚅᚅ᚜ | IH-brann | operand | gaelspellFoclóir | |
| oibriúcháin | ᚛ᚑᚔᚁᚏᚔᚒᚉᚆᚐᚔᚅ᚜ | IH-bruh-oo-khaw-uhn | operating | TatoebagaelspellFoclóir | |
| oibrí allamuigh | ᚛ᚑᚔᚁᚏᚔ ᚐᚂᚂᚐᚋᚒᚔᚌᚆ᚜ | IH-bree AH-lluh-mihy | fieldworker | Foclóir | |
| oibrí baile | ᚛ᚑᚔᚁᚏᚔ ᚁᚐᚔᚂᚓ᚜ | IH-bree BAH-uh-luh | homeworker | Foclóir | |
| oibrí faoi choim | ᚛ᚑᚔᚁᚏᚔ ᚃᚐᚑᚔ ᚉᚆᚑᚔᚋ᚜ | IH-bree FEE-uh KHIHM | moonlighter | Foclóir | |
| oibrí feirme | ᚛ᚑᚔᚁᚏᚔ ᚃᚓᚔᚏᚋᚓ᚜ | IH-bree FEH-uh-rmuh | farmhand | Foclóir | |
| oibrí ola | ᚛ᚑᚔᚁᚏᚔ ᚑᚂᚐ᚜ | IH-bree UH-luh | oilman | Foclóir | |
| oibrí seachtrach | ᚛ᚑᚔᚁᚏᚔ ᚄᚓᚐᚉᚆᚈᚏᚐᚉᚆ᚜ | IH-bree SHA-khtruhkh | outworker | Foclóir | |
| oibrímid le heagraíochtaí a bhfuil an dearcadh céanna acu agus atá againn féin | ᚛ᚑᚔᚁᚏᚔᚋᚔᚇ ᚂᚓ ᚆᚓᚐᚌᚏᚐᚔᚑᚉᚆᚈᚐᚔ ᚐ ᚁᚆᚃᚒᚔᚂ ᚐᚅ ᚇᚓᚐᚏᚉᚐᚇᚆ ᚉᚓᚐᚅᚅᚐ ᚐᚉᚒ ᚐᚌᚒᚄ ᚐᚈᚐ ᚐᚌᚐᚔᚅᚅ ᚃᚓᚔᚅ᚜ | IH-bree-muhd LEH HA-gree-uh-khtee AH WFIHL AHN DA-rkeye KAY-uh-nnuh AH-kuh AH-guhs AH-taw AH-guh-uhnn FAY-uhn | like-minded | Foclóir | |
| oibríochta | ᚛ᚑᚔᚁᚏᚔᚑᚉᚆᚈᚐ᚜ | IH-bree-uh-khtuh | operational | gaelspellFoclóir | |
| oibríonn siad ina gceathrair | ᚛ᚑᚔᚁᚏᚔᚑᚅᚅ ᚄᚔᚐᚇ ᚔᚅᚐ ᚌᚉᚓᚐᚈᚆᚏᚐᚔᚏ᚜ | IH-bree-uhnn SHEE-UHD IH-nuh GKA-hruh-uhr | fours | Foclóir | |
| oibríonn siad ina gcúigir | ᚛ᚑᚔᚁᚏᚔᚑᚅᚅ ᚄᚔᚐᚇ ᚔᚅᚐ ᚌᚉᚒᚔᚌᚔᚏ᚜ | IH-bree-uhnn SHEE-UHD IH-nuh GKOO-uh-guhr | fives | Foclóir | |
| oibríonn siad ina n-ochtair | ᚛ᚑᚔᚁᚏᚔᚑᚅᚅ ᚄᚔᚐᚇ ᚔᚅᚐ ᚅᚑᚉᚆᚈᚐᚔᚏ᚜ | IH-bree-uhnn SHEE-UHD IH-nuh NUH-khtuh-uhr | eights | Foclóir | |
| oibríonn siad ina naonúir | ᚛ᚑᚔᚁᚏᚔᚑᚅᚅ ᚄᚔᚐᚇ ᚔᚅᚐ ᚅᚐᚑᚅᚒᚔᚏ᚜ | IH-bree-uhnn SHEE-UHD IH-nuh NEE-noo-uhr | nines | Foclóir | |
| oibseisiún | ᚛ᚑᚔᚁᚄᚓᚔᚄᚔᚒᚅ᚜ | IH-bshuh-uh-shuh-oon | obsession | gaelspellFoclóir | |
| oideachais | ᚛ᚑᚔᚇᚓᚐᚉᚆᚐᚔᚄ᚜ | IH-da-khuh-uhsh | educational | gaelspellFoclóir | |
| oideachasóir | ᚛ᚑᚔᚇᚓᚐᚉᚆᚐᚄᚑᚔᚏ᚜ | IH-da-khuh-soh-uhr | educationalist | WiktionarygaelspellFoclóir | |
| oideachasúil | ᚛ᚑᚔᚇᚓᚐᚉᚆᚐᚄᚒᚔᚂ᚜ | IH-da-khuh-soo-uhl | educative | WiktionarygaelspellFoclóir | |
| oideoir | ᚛ᚑᚔᚇᚓᚑᚔᚏ᚜ | IH-doh-uhr | educator | WiktionarygaelspellFoclóir | |
| oideolaíocht | ᚛ᚑᚔᚇᚓᚑᚂᚐᚔᚑᚉᚆᚈ᚜ | IH-doh-lee-uhkht | pedagogics | WiktionarygaelspellFoclóir | |
| oidhreachtán | ᚛ᚑᚔᚇᚆᚏᚓᚐᚉᚆᚈᚐᚅ᚜ | IH-yra-khtawn | hereditament | gaelspellFoclóir | |
| oidhreachtúlacht | ᚛ᚑᚔᚇᚆᚏᚓᚐᚉᚆᚈᚒᚂᚐᚉᚆᚈ᚜ | IH-yra-khtoo-luhkht | heredity | WiktionarygaelspellFoclóir | |
| oifigeach barántais | ᚛ᚑᚔᚃᚔᚌᚓᚐᚉᚆ ᚁᚐᚏᚐᚅᚈᚐᚔᚄ᚜ | IH-fuh-gakh BAH-raw-ntuh-uhsh | warrant officer | WiktionaryFoclóir | |
| oifigeach ceannais | ᚛ᚑᚔᚃᚔᚌᚓᚐᚉᚆ ᚉᚓᚐᚅᚅᚐᚔᚄ᚜ | IH-fuh-gakh KA-nnuh-uhsh | commanding officer | WiktionaryFoclóir | |
| oifigeach coimisiúnta | ᚛ᚑᚔᚃᚔᚌᚓᚐᚉᚆ ᚉᚑᚔᚋᚔᚄᚔᚒᚅᚈᚐ᚜ | IH-fuh-gakh KIH-muh-shuh-oo-ntuh | commissioned officer | WiktionaryFoclóir | |
| oifigeach foirne | ᚛ᚑᚔᚃᚔᚌᚓᚐᚉᚆ ᚃᚑᚔᚏᚅᚓ᚜ | IH-fuh-gakh FIH-rnuh | staff officer | WiktionaryFoclóir | |
| oifigeach neamhchoimisiúnta | ᚛ᚑᚔᚃᚔᚌᚓᚐᚉᚆ ᚅᚓᚐᚋᚆᚉᚆᚑᚔᚋᚔᚄᚔᚒᚅᚈᚐ᚜ | IH-fuh-gakh NA-wkhih-muh-shuh-oo-ntuh | non-commissioned officer | WiktionaryFoclóir | |
| oifigeach promhaidh | ᚛ᚑᚔᚃᚔᚌᚓᚐᚉᚆ ᚚᚏᚑᚋᚆᚐᚔᚇᚆ᚜ | IH-fuh-gakh PROH-UH-uhy | probation officer | WiktionaryFoclóir | |
| oifigiúlachas | ᚛ᚑᚔᚃᚔᚌᚔᚒᚂᚐᚉᚆᚐᚄ᚜ | IH-fuh-guh-oo-luh-khuhs | officialdom | gaelspellFoclóir | |
| oigheanndíonach | ᚛ᚑᚔᚌᚆᚓᚐᚅᚅᚇᚔᚑᚅᚐᚉᚆ᚜ | IH-ya-nndee-uh-nuhkh | ovenproof | Foclóir | |
| oigheareolaíocht | ᚛ᚑᚔᚌᚆᚓᚐᚏᚓᚑᚂᚐᚔᚑᚉᚆᚈ᚜ | IH-ya-roh-lee-uhkht | glaciology | WiktionarygaelspellFoclóir | |
| oighearscátáil | ᚛ᚑᚔᚌᚆᚓᚐᚏᚄᚉᚐᚈᚐᚔᚂ᚜ | IH-ya-rskaw-taw-uhl | ice-skate | Foclóir | |
| oighearshlaod | ᚛ᚑᚔᚌᚆᚓᚐᚏᚄᚆᚂᚐᚑᚇ᚜ | IH-ya-rhleed | floe | gaelspellFoclóir | |
| oighearsháinnithe | ᚛ᚑᚔᚌᚆᚓᚐᚏᚄᚆᚐᚔᚅᚅᚔᚈᚆᚓ᚜ | IH-ya-rhaw-uh-nnuh-huh | ice-bound | Foclóir | |
| oighreach | ᚛ᚑᚔᚌᚆᚏᚓᚐᚉᚆ᚜ | IH-yrakh | glacial | WiktionarygaelspellFoclóir | |
| oighrithe | ᚛ᚑᚔᚌᚆᚏᚔᚈᚆᚓ᚜ | IH-yruh-huh | glaciated | gaelspellFoclóir | |
| oighriú | ᚛ᚑᚔᚌᚆᚏᚔᚒ᚜ | IH-yruh-oo | glaciation | WiktionarygaelspellFoclóir | |
| oighriúchán | ᚛ᚑᚔᚌᚆᚏᚔᚒᚉᚆᚐᚅ᚜ | IH-yruh-oo-khawn | glaciation | WiktionaryFoclóir | |
| oigiséad | ᚛ᚑᚔᚌᚔᚄᚓᚐᚇ᚜ | IH-guh-shay-uhd | hogshead | gaelspellFoclóir | |
| oilbhéas | ᚛ᚑᚔᚂᚁᚆᚓᚐᚄ᚜ | IH-lvay-uhs | churlishness | gaelspellFoclóir | |
| oileamhain | ᚛ᚑᚔᚂᚓᚐᚋᚆᚐᚔᚅ᚜ | IH-la-wuh-uhn | : | WiktionarygaelspellFoclóir | |
| Oileáin Chomóra | ᚛ᚑᚔᚂᚓᚐᚔᚅ ᚉᚆᚑᚋᚑᚏᚐ᚜ | IH-law-uhn KHUH-moh-ruh | comoros | Foclóir | |
| Oileáin Mhaildíve | ᚛ᚑᚔᚂᚓᚐᚔᚅ ᚋᚆᚐᚔᚂᚇᚔᚓ᚜ | IH-law-uhn WAH-uh-ldee-vuh | maldives | Foclóir | |
| Oileán Mhuirís | ᚛ᚑᚔᚂᚓᚐᚅ ᚋᚆᚒᚔᚏᚔᚄ᚜ | IL-awn WIH-reesh | mauritius | Foclóir | |
| oileánach | ᚛ᚑᚔᚂᚓᚐᚅᚐᚉᚆ᚜ | IH-law-nuhkh | islander | WiktionarygaelspellFoclóir | |
| oileánrach | ᚛ᚑᚔᚂᚓᚐᚅᚏᚐᚉᚆ᚜ | IH-law-nruhkh | archipelago | WiktionarygaelspellFoclóirTeanglann | |
| oiliandar | ᚛ᚑᚔᚂᚔᚐᚅᚇᚐᚏ᚜ | IH-lee-uh-nduhr | oleander | Foclóir | |
| Oilimpeach | ᚛ᚑᚔᚂᚔᚋᚚᚓᚐᚉᚆ᚜ | IH-luh-mpakh | olympian | WiktionarygaelspellFoclóir | |
| oiliúnach | ᚛ᚑᚔᚂᚔᚒᚅᚐᚉᚆ᚜ | IH-luh-oo-nuhkh | instructive | gaelspellFoclóir | |
| oilte | ᚛ᚑᚔᚂᚈᚓ᚜ | IH-ltuh | adept | gaelspellFoclóir | |
| oilteacht | ᚛ᚑᚔᚂᚈᚓᚐᚉᚆᚈ᚜ | IH-ltakht | expertise | WiktionarygaelspellFoclóir | |
| oinceolaí | ᚛ᚑᚔᚅᚉᚓᚑᚂᚐᚔ᚜ | IH-nkoh-lee | oncologist | WiktionarygaelspellFoclóir | From + . |
| oinceolaíocht | ᚛ᚑᚔᚅᚉᚓᚑᚂᚐᚔᚑᚉᚆᚈ᚜ | IH-nkoh-lee-uhkht | oncology | WiktionarygaelspellFoclóir | From + . |
| oinigh | ᚛ᚑᚔᚅᚔᚌᚆ᚜ | IH-nuhy | honorary | gaelspellFoclóir | |
| ointeolaíoch | ᚛ᚑᚔᚅᚈᚓᚑᚂᚐᚔᚑᚉᚆ᚜ | IH-ntoh-lee-uhkh | ontological | gaelspellFoclóir | |
| ointeolaíocht | ᚛ᚑᚔᚅᚈᚓᚑᚂᚐᚔᚑᚉᚆᚈ᚜ | IH-ntoh-lee-uhkht | ontology | WiktionarygaelspellFoclóir | |
| oireachas | ᚛ᚑᚔᚏᚓᚐᚉᚆᚐᚄ᚜ | IH-ra-khuhs | pre-eminence | WiktionaryFoclóir | From , from , from . |
| oireachtas | ᚛ᚑᚔᚏᚓᚐᚉᚆᚈᚐᚄ᚜ | IH-ra-khtuhs | assembly | WiktionarygaelspellFoclóirTeanglann | From . . |
| oiread | ᚛ᚑᚔᚏᚓᚐᚇ᚜ | IH-rad | length | WiktionaryTatoebagaelspellFoclóirTeanglann | From , from + . Cognate with . |
| oiread na fríde | ᚛ᚑᚔᚏᚓᚐᚇ ᚅᚐ ᚃᚏᚔᚇᚓ᚜ | IH-rad NAH FREE-duh | hairsbreadth | WiktionaryFoclóir | |
| oireolaíocht | ᚛ᚑᚔᚏᚓᚑᚂᚐᚔᚑᚉᚆᚈ᚜ | IH-roh-lee-uhkht | orology | WiktionaryFoclóir | |
| oirfideach pianó | ᚛ᚑᚔᚏᚃᚔᚇᚓᚐᚉᚆ ᚚᚔᚐᚅᚑ᚜ | IH-rfuh-dakh PEE-UH-noh | pianist | WiktionaryFoclóirTeanglann | |
| oiriseach | ᚛ᚑᚔᚏᚔᚄᚓᚐᚉᚆ᚜ | IH-ruh-shakh | chronicler | WiktionarygaelspellFoclóir | From , from . . |
| oiriseamh | ᚛ᚑᚔᚏᚔᚄᚓᚐᚋᚆ᚜ | IH-ruh-shaw | delay | WiktionarygaelspellFoclóirTeanglann | From , verbal noun of . . |
| oiriúint | ᚛ᚑᚔᚏᚔᚒᚔᚅᚈ᚜ | IH-ruh-oo-uhnt | accessory | WiktionarygaelspellFoclóir | |
| oiriúintí | ᚛ᚑᚔᚏᚔᚒᚔᚅᚈᚔ᚜ | IH-ruh-oo-uh-ntee | accessories | WiktionarygaelspellFoclóir | |
| oiriúnach | ᚛ᚑᚔᚏᚔᚒᚅᚐᚉᚆ᚜ | IH-ruh-oo-nuhkh | apt | WiktionarygaelspellFoclóir | |
| oiriúnacht | ᚛ᚑᚔᚏᚔᚒᚅᚐᚉᚆᚈ᚜ | IH-ruh-oo-nuhkht | aptness | WiktionarygaelspellFoclóir | |
| oiriúnaithe | ᚛ᚑᚔᚏᚔᚒᚅᚐᚔᚈᚆᚓ᚜ | IH-ruh-oo-nuh-uh-huh | customised | gaelspellFoclóir | |
| oiriúnaitheach | ᚛ᚑᚔᚏᚔᚒᚅᚐᚔᚈᚆᚓᚐᚉᚆ᚜ | IH-ruh-oo-nuh-uh-hakh | adaptive | gaelspellFoclóir | |
| oiriúnú | ᚛ᚑᚔᚏᚔᚒᚅᚒ᚜ | IH-ruh-oo-noo | adaption | gaelspellFoclóir | |
| oirmhidin | ᚛ᚑᚔᚏᚋᚆᚔᚇᚔᚅ᚜ | IH-rvuh-duhn | honour | WiktionarygaelspellFoclóirTeanglann | |
| oirnigh | ᚛ᚑᚔᚏᚅᚔᚌᚆ᚜ | IH-rnuhy | ordain | gaelspellFoclóir | |
| oirnimint | ᚛ᚑᚔᚏᚅᚔᚋᚔᚅᚈ᚜ | IH-rnuh-muhnt | ornament | WiktionarygaelspellFoclóir | From , from , from . |
| oirnithe | ᚛ᚑᚔᚏᚅᚔᚈᚆᚓ᚜ | IH-rnuh-huh | ordained | gaelspellFoclóir | |
| oirniú | ᚛ᚑᚔᚏᚅᚔᚒ᚜ | IH-rnuh-oo | enthronement | gaelspellFoclóir | |
| oirthearach | ᚛ᚑᚔᚏᚈᚆᚓᚐᚏᚐᚉᚆ᚜ | IH-rha-ruhkh | easterner | WiktionarygaelspellFoclóir | |
| oirthearachas | ᚛ᚑᚔᚏᚈᚆᚓᚐᚏᚐᚉᚆᚐᚄ᚜ | IH-rha-ruh-khuhs | orientalism | WiktionarygaelspellFoclóir | |
| oirtheoireacht | ᚛ᚑᚔᚏᚈᚆᚓᚑᚔᚏᚓᚐᚉᚆᚈ᚜ | IH-rhoh-uh-rakht | fitting | WiktionaryFoclóir | |
| Oiríon | ᚛ᚑᚔᚏᚔᚑᚅ᚜ | IH-ree-uhn | orion | gaelspellFoclóir | |
| oiseoil | ᚛ᚑᚔᚄᚓᚑᚔᚂ᚜ | IH-shoh-uhl | venison | WiktionarygaelspellFoclóirTeanglann | From . . |
| oismiam | ᚛ᚑᚔᚄᚋᚔᚐᚋ᚜ | IH-shmee-uhm | osmium | WiktionarygaelspellFoclóir | |
| oisteansóir | ᚛ᚑᚔᚄᚈᚓᚐᚅᚄᚑᚔᚏ᚜ | IH-shta-nsoh-uhr | monstrance | gaelspellFoclóir | |
| oisté-eolaí | ᚛ᚑᚔᚄᚈᚓᚓᚑᚂᚐᚔ᚜ | IH-shtay-oh-lee | osteologist | WiktionaryFoclóir | |
| oisté-eolaíocht | ᚛ᚑᚔᚄᚈᚓᚓᚑᚂᚐᚔᚑᚉᚆᚈ᚜ | IH-shtay-oh-lee-uhkht | osteology | WiktionaryFoclóir | |
| oistéablast | ᚛ᚑᚔᚄᚈᚓᚐᚁᚂᚐᚄᚈ᚜ | IH-shtay-uh-bluhst | osteoblast | WiktionaryFoclóir | |
| oistéacailcin | ᚛ᚑᚔᚄᚈᚓᚐᚉᚐᚔᚂᚉᚔᚅ᚜ | IH-shtay-uh-kuh-uh-lkuhn | osteocalcin | WiktionaryFoclóir | |
| oistéaclast | ᚛ᚑᚔᚄᚈᚓᚐᚉᚂᚐᚄᚈ᚜ | IH-shtay-uh-kluhst | osteoclast | WiktionaryFoclóir | |
| oistéamalaice | ᚛ᚑᚔᚄᚈᚓᚐᚋᚐᚂᚐᚔᚉᚓ᚜ | IH-shtay-uh-muh-luh-uh-kuh | osteomalacia | WiktionaryFoclóir | |
| oistéapaite | ᚛ᚑᚔᚄᚈᚓᚐᚚᚐᚔᚈᚓ᚜ | IH-shtay-uh-puh-uh-tuh | osteopathy | WiktionaryFoclóir | |
| oistéapat | ᚛ᚑᚔᚄᚈᚓᚐᚚᚐᚈ᚜ | IH-shtay-uh-puht | osteopath | WiktionarygaelspellFoclóir | |
| oistéatóime | ᚛ᚑᚔᚄᚈᚓᚐᚈᚑᚔᚋᚓ᚜ | IH-shtay-uh-toh-uh-muh | osteotomy | WiktionaryFoclóir | |
| oistéigineas | ᚛ᚑᚔᚄᚈᚓᚔᚌᚔᚅᚓᚐᚄ᚜ | IH-shtay-uh-guh-nas | osteogenesis | WiktionaryFoclóir | |
| oistéimiailíteas | ᚛ᚑᚔᚄᚈᚓᚔᚋᚔᚐᚔᚂᚔᚈᚓᚐᚄ᚜ | IH-shtay-uh-mee-uh-uh-lee-tas | osteomyelitis | WiktionaryFoclóir | |
| oistéipéine | ᚛ᚑᚔᚄᚈᚓᚔᚚᚓᚔᚅᚓ᚜ | IH-shtay-uh-pay-uh-nuh | osteopenia | WiktionaryFoclóir | |
| Oiséatach | ᚛ᚑᚔᚄᚓᚐᚈᚐᚉᚆ᚜ | IH-shay-uh-tuhkh | ossetian | Foclóir | |
| oiteolaíocht | ᚛ᚑᚔᚈᚓᚑᚂᚐᚔᚑᚉᚆᚈ᚜ | IH-toh-lee-uhkht | otology | WiktionaryFoclóir | |
| oitir | ᚛ᚑᚔᚈᚔᚏ᚜ | IH-tuhr | sandbank | WiktionarygaelspellFoclóir | |
| Oklahoma | ᚛ᚑᚂᚐᚆᚑᚋᚐ᚜ | UH-kluh-huh-muh | oklahoma | gaelspellFoclóir | |
| ola ricne | ᚛ᚑᚂᚐ ᚏᚔᚉᚅᚓ᚜ | UH-luh RIH-knuh | castor oil | WiktionaryFoclóir | |
| ola-éadach | ᚛ᚑᚂᚐᚓᚐᚇᚐᚉᚆ᚜ | UH-luh-ay-uh-duhkh | oilcloth | gaelspellFoclóir | |
| olach | ᚛ᚑᚂᚐᚉᚆ᚜ | UH-luhkh | oil-bearing | gaelspellFoclóir | |
| oladhó | ᚛ᚑᚂᚐᚇᚆᚑ᚜ | UH-leye-oh | oil-burning | Foclóir | |
| olagaplacht | ᚛ᚑᚂᚐᚌᚐᚚᚂᚐᚉᚆᚈ᚜ | UH-luh-guh-pluhkht | oligopoly | WiktionaryFoclóir | |
| olagapsonacht | ᚛ᚑᚂᚐᚌᚐᚚᚄᚑᚅᚐᚉᚆᚈ᚜ | UH-luh-guh-psuh-nuhkht | oligopsony | WiktionaryFoclóir | From + . |
| olagarc | ᚛ᚑᚂᚐᚌᚐᚏᚉ᚜ | UH-luh-guhrk | oligarch | gaelspellFoclóir | |
| olagarcach | ᚛ᚑᚂᚐᚌᚐᚏᚉᚐᚉᚆ᚜ | UH-luh-guh-rkuhkh | oligarchic | gaelspellFoclóir | |
| olaivín | ᚛ᚑᚂᚐᚔᚔᚅ᚜ | uh-luh-uh-VEEN | olivine | gaelspellFoclóir | |
| olann uain | ᚛ᚑᚂᚐᚅᚅ ᚒᚐᚔᚅ᚜ | UH-luhnn OO-UH-uhn | lambswool | Foclóir | |
| olashíol | ᚛ᚑᚂᚐᚄᚆᚔᚑᚂ᚜ | UH-luh-hee-uhl | oilseed | Foclóir | |
| olaíocht | ᚛ᚑᚂᚐᚔᚑᚉᚆᚈ᚜ | UH-lee-uhkht | oiliness | gaelspellFoclóir | |
| olc a chur ar | ᚛ᚑᚂᚉ ᚐ ᚉᚆᚒᚏ ᚐᚏ᚜ | UHLK AH KHUHR AHR | antagonise | Foclóir | |
| oll- | ᚛ᚑᚂᚂ᚜ | UHLL | king-sized | Foclóir | |
| oll-ardchlár | ᚛ᚑᚂᚂᚐᚏᚇᚉᚆᚂᚐᚏ᚜ | UH-lluh-rdkhlawr | continental plateau | WiktionaryFoclóir | |
| ollbhasún | ᚛ᚑᚂᚂᚁᚆᚐᚄᚒᚅ᚜ | UH-llwuh-soon | contrabassoon | WiktionaryFoclóir | |
| ollbhua | ᚛ᚑᚂᚂᚁᚆᚒᚐ᚜ | UH-llwoo-uh | landslide victory | WiktionarygaelspellFoclóir | |
| ollbhéar Meiriceánach | ᚛ᚑᚂᚂᚁᚆᚓᚐᚏ ᚋᚓᚔᚏᚔᚉᚓᚐᚅᚐᚉᚆ᚜ | UH-llvay-uhr MEH-uh-ruh-kaw-nuhkh | grizzly | Foclóir | |
| ollchathair | ᚛ᚑᚂᚂᚉᚆᚐᚈᚆᚐᚔᚏ᚜ | UH-llkhuh-huh-uhr | megalopolis | WiktionaryFoclóir | |
| ollchlár | ᚛ᚑᚂᚂᚉᚆᚂᚐᚏ᚜ | UH-llkhlawr | omnibus | WiktionarygaelspellFoclóir | |
| ollchóisir | ᚛ᚑᚂᚂᚉᚆᚑᚔᚄᚔᚏ᚜ | UH-llkhoh-uh-shuhr | jamboree | Foclóir | |
| olldordóir | ᚛ᚑᚂᚂᚇᚑᚏᚇᚑᚔᚏ᚜ | UH-llduh-rdoh-uhr | bassist | Foclóir | |
| olldóiteán | ᚛ᚑᚂᚂᚇᚑᚔᚈᚓᚐᚅ᚜ | UH-lldoh-uh-tawn | inferno | gaelspellFoclóir | |
| ollfhathach | ᚛ᚑᚂᚂᚃᚆᚐᚈᚆᚐᚉᚆ᚜ | UH-lluh-huhkh | supergiant | WiktionarygaelspellFoclóir | |
| ollghluaiseacht | ᚛ᚑᚂᚂᚌᚆᚂᚒᚐᚔᚄᚓᚐᚉᚆᚈ᚜ | UH-llghloo-uh-uh-shakht | outflow | gaelspellFoclóir | |
| ollionad | ᚛ᚑᚂᚂᚔᚑᚅᚐᚇ᚜ | UH-lluh-uh-nuhd | complex | WiktionarygaelspellFoclóirTeanglann | |
| ollmhaitheas | ᚛ᚑᚂᚂᚋᚆᚐᚔᚈᚆᚓᚐᚄ᚜ | UH-llwuh-uh-has | luxury | WiktionarygaelspellFoclóirTeanglann | |
| ollmhéid | ᚛ᚑᚂᚂᚋᚆᚓᚔᚇ᚜ | UH-llvay-uhd | immensity | WiktionarygaelspellFoclóir | |
| ollphléasc | ᚛ᚑᚂᚂᚚᚆᚂᚓᚐᚄᚉ᚜ | UH-llflay-uhsk | big bang | WiktionarygaelspellFoclóir | |
| ollphuball | ᚛ᚑᚂᚂᚚᚆᚒᚁᚐᚂᚂ᚜ | UH-llfuh-buhll | marquee | gaelspellFoclóir | |
| ollscartaire | ᚛ᚑᚂᚂᚄᚉᚐᚏᚈᚐᚔᚏᚓ᚜ | UH-llskuh-rtuh-uh-ruh | bulldozer | gaelspellFoclóir | |
| olltubaiste | ᚛ᚑᚂᚂᚈᚒᚁᚐᚔᚄᚈᚓ᚜ | UH-lltuh-buh-uh-shtuh | cataclysm | gaelspellFoclóir | |
| olltáirgeacht | ᚛ᚑᚂᚂᚈᚐᚔᚏᚌᚓᚐᚉᚆᚈ᚜ | UH-lltaw-uh-rgakht | gross output | WiktionarygaelspellFoclóir | |
| olltáirgeacht náisiúnta | ᚛ᚑᚂᚂᚈᚐᚔᚏᚌᚓᚐᚉᚆᚈ ᚅᚐᚔᚄᚔᚒᚅᚈᚐ᚜ | UH-lltaw-uh-rgakht NAW-uh-shuh-oo-ntuh | gross national product | WiktionaryFoclóir | |
| ollás | ᚛ᚑᚂᚂᚐᚄ᚜ | UH-llaws | magnificence | WiktionarygaelspellFoclóir | |
| oléadach | ᚛ᚑᚂᚓᚐᚇᚐᚉᚆ᚜ | UH-lay-uh-duhkh | oilskin | gaelspellFoclóir | |
| oléadaí | ᚛ᚑᚂᚓᚐᚇᚐᚔ᚜ | UH-lay-uh-dee | oilskins | gaelspellFoclóir | |
| ombudsman | ᚛ᚑᚋᚁᚒᚇᚄᚋᚐᚅ᚜ | UH-mbuh-dsmuhn | ombudsman | gaelspellFoclóir | |
| onamaiseolaíocht | ᚛ᚑᚅᚐᚋᚐᚔᚄᚓᚑᚂᚐᚔᚑᚉᚆᚈ᚜ | UH-nuh-muh-uh-shoh-lee-uhkht | onomasiology | WiktionaryFoclóir | From + . |
| onamataipé | ᚛ᚑᚅᚐᚋᚐᚈᚐᚔᚚᚓ᚜ | UH-nuh-muh-tuh-uh-pay | onomatopoeia | WiktionarygaelspellFoclóir | |
| onamataipéach | ᚛ᚑᚅᚐᚋᚐᚈᚐᚔᚚᚓᚐᚉᚆ᚜ | UH-nuh-muh-tuh-uh-pay-uhkh | onomatopoeic | Foclóir | |
| ontaighiniúint | ᚛ᚑᚅᚈᚐᚔᚌᚆᚔᚅᚔᚒᚔᚅᚈ᚜ | UH-ntuh-uh-yuh-nuh-oo-uhnt | ontogenesis | WiktionaryFoclóir | |
| ontaigineacht | ᚛ᚑᚅᚈᚐᚔᚌᚔᚅᚓᚐᚉᚆᚈ᚜ | UH-ntuh-uh-guh-nakht | ontogenesis | WiktionaryFoclóir | |
| ontaigineas | ᚛ᚑᚅᚈᚐᚔᚌᚔᚅᚓᚐᚄ᚜ | UH-ntuh-uh-guh-nas | ontogenesis | WiktionaryFoclóir | |
| onóracha | ᚛ᚑᚅᚑᚏᚐᚉᚆᚐ᚜ | UH-noh-ruh-khuh | honours | gaelspellFoclóir | |
| optach | ᚛ᚑᚚᚈᚐᚉᚆ᚜ | UH-ptuhkh | optic | WiktionarygaelspellFoclóir | |
| optaic | ᚛ᚑᚚᚈᚐᚔᚉ᚜ | UH-ptuh-uhk | optics | WiktionarygaelspellFoclóir | |
| optaiméadraí | ᚛ᚑᚚᚈᚐᚔᚋᚓᚐᚇᚏᚐᚔ᚜ | UH-ptuh-uh-may-uh-dree | optometrist | Foclóir | |
| optamach | ᚛ᚑᚚᚈᚐᚋᚐᚉᚆ᚜ | UH-ptuh-muhkh | optimal | gaelspellFoclóir | |
| optamaithe | ᚛ᚑᚚᚈᚐᚋᚐᚔᚈᚆᚓ᚜ | UH-ptuh-muh-uh-huh | optimised | gaelspellFoclóir | |
| optamóir | ᚛ᚑᚚᚈᚐᚋᚑᚔᚏ᚜ | UH-ptuh-moh-uhr | optimiser | Foclóir | |
| opus | ᚛ᚑᚚᚒᚄ᚜ | UH-puhs | opus | Foclóir | |
| oracs | ᚛ᚑᚏᚐᚉᚄ᚜ | UH-ruhks | oryx | WiktionaryFoclóir | |
| oracs adharca simeatáir | ᚛ᚑᚏᚐᚉᚄ ᚐᚇᚆᚐᚏᚉᚐ ᚄᚔᚋᚓᚐᚈᚐᚔᚏ᚜ | UH-ruhks EYE-UH-rkuh SHIH-ma-taw-uhr | scimitar-horned oryx | WiktionaryFoclóir | |
| oracs Arabach | ᚛ᚑᚏᚐᚉᚄ ᚐᚏᚐᚁᚐᚉᚆ᚜ | UH-ruhks AH-ruh-buhkh | arabian oryx | WiktionaryFoclóir | |
| oracs gasaileach | ᚛ᚑᚏᚐᚉᚄ ᚌᚐᚄᚐᚔᚂᚓᚐᚉᚆ᚜ | UH-ruhks GAH-suh-uh-lakh | gemsbok | WiktionaryFoclóir | |
| oragrafaíocht | ᚛ᚑᚏᚐᚌᚏᚐᚃᚐᚔᚑᚉᚆᚈ᚜ | UH-ruh-gruh-fee-uhkht | orography | WiktionaryFoclóir | |
| oragámaí | ᚛ᚑᚏᚐᚌᚐᚋᚐᚔ᚜ | UH-ruh-gaw-mee | origami | gaelspellFoclóir | |
| oraigineas | ᚛ᚑᚏᚐᚔᚌᚔᚅᚓᚐᚄ᚜ | UH-ruh-uh-guh-nas | orogenesis | WiktionaryFoclóir | |
| Orcach | ᚛ᚑᚏᚉᚐᚉᚆ᚜ | UH-rkuhkh | orcadian | Foclóir | |
| orchra | ᚛ᚑᚏᚉᚆᚏᚐ᚜ | UH-rkhruh | necrosis | WiktionarygaelspellFoclóir | From , , verbal noun of . |
| ord agus eagar | ᚛ᚑᚏᚇ ᚐᚌᚒᚄ ᚓᚐᚌᚐᚏ᚜ | UHRD AH-guhs A-guhr | orderliness | Foclóir | |
| ordaigh do | ᚛ᚑᚏᚇᚐᚔᚌᚆ ᚇᚑ᚜ | UH-rduh-uhy DUH | enjoin | Foclóir | |
| ordphéire | ᚛ᚑᚏᚇᚚᚆᚓᚔᚏᚓ᚜ | UH-rdfay-uh-ruh | couple | WiktionaryFoclóirTeanglann | |
| ordúlacht | ᚛ᚑᚏᚇᚒᚂᚐᚉᚆᚈ᚜ | UH-rdoo-luhkht | neatness | WiktionarygaelspellFoclóir | |
| Oregon | ᚛ᚑᚏᚓᚌᚑᚅ᚜ | UH-ruh-guhn | oregon | gaelspellFoclóir | |
| organaitín | ᚛ᚑᚏᚌᚐᚅᚐᚔᚈᚔᚅ᚜ | uh-rguh-nuh-uh-TEEN | organotin | ApertiumFoclóir | |
| orgán béil | ᚛ᚑᚏᚌᚐᚅ ᚁᚓᚔᚂ᚜ | UH-rgawn BAY-uhl | harmonica | Foclóir | |
| orgánach | ᚛ᚑᚏᚌᚐᚅᚐᚉᚆ᚜ | UH-rgaw-nuhkh | organic | WiktionarygaelspellFoclóir | |
| orgánachas | ᚛ᚑᚏᚌᚐᚅᚐᚉᚆᚐᚄ᚜ | UH-rgaw-nuh-khuhs | organicism | WiktionaryFoclóir | |
| orgánacht | ᚛ᚑᚏᚌᚐᚅᚐᚉᚆᚈ᚜ | UH-rgaw-nuhkht | organism | WiktionaryFoclóirTeanglann | |
| orgánafosfáit | ᚛ᚑᚏᚌᚐᚅᚐᚃᚑᚄᚃᚐᚔᚈ᚜ | UH-rgaw-nuh-fuh-sfaw-uht | organophosphate | Foclóir | |
| orgánaic | ᚛ᚑᚏᚌᚐᚅᚐᚔᚉ᚜ | UH-rgaw-nuh-uhk | organics | Foclóir | |
| orgánaí | ᚛ᚑᚏᚌᚐᚅᚐᚔ᚜ | UH-rgaw-nee | organist | WiktionarygaelspellFoclóir | |
| orlón | ᚛ᚑᚏᚂᚑᚅ᚜ | UH-rlohn | orlon | WiktionaryFoclóir | |
| ormsa a thit sé na miontuairiscí a scríobh | ᚛ᚑᚏᚋᚄᚐ ᚐ ᚈᚆᚔᚈ ᚄᚓ ᚅᚐ ᚋᚔᚑᚅᚈᚒᚐᚔᚏᚔᚄᚉᚔ ᚐ ᚄᚉᚏᚔᚑᚁᚆ᚜ | UH-rmsuh AH HIHT SHAY NAH MIH-uh-ntoo-uh-uh-ruh-shkee AH SHKREE-uhw | lumber | Foclóir | |
| ornáid | ᚛ᚑᚏᚅᚐᚔᚇ᚜ | UH-rnaw-uhd | knick-knack | WiktionarygaelspellFoclóir | |
| ornáideach | ᚛ᚑᚏᚅᚐᚔᚇᚓᚐᚉᚆ᚜ | UH-rnaw-uh-dakh | ornamental | gaelspellFoclóir | |
| ornáidíocht | ᚛ᚑᚏᚅᚐᚔᚇᚔᚑᚉᚆᚈ᚜ | UH-rnaw-uh-dee-uhkht | ornamentation | gaelspellFoclóir | |
| ortadocsacht | ᚛ᚑᚏᚈᚐᚇᚑᚉᚄᚐᚉᚆᚈ᚜ | UH-rtuh-duh-ksuhkht | orthodoxy | WiktionarygaelspellFoclóir | From + . |
| ortafótagrafaíocht | ᚛ᚑᚏᚈᚐᚃᚑᚈᚐᚌᚏᚐᚃᚐᚔᚑᚉᚆᚈ᚜ | UH-rtuh-foh-tuh-gruh-fee-uhkht | orthophotography | WiktionaryFoclóir | |
| ortagrafach | ᚛ᚑᚏᚈᚐᚌᚏᚐᚃᚐᚉᚆ᚜ | UH-rtuh-gruh-fuhkh | orthographic | WiktionarygaelspellFoclóir | |
| ortagrafaíocht | ᚛ᚑᚏᚈᚐᚌᚏᚐᚃᚐᚔᚑᚉᚆᚈ᚜ | UH-rtuh-gruh-fee-uhkht | orthography | WiktionarygaelspellFoclóir | |
| ortagán | ᚛ᚑᚏᚈᚐᚌᚐᚅ᚜ | UH-rtuh-gawn | orthogon | WiktionaryFoclóir | |
| ortagánach | ᚛ᚑᚏᚈᚐᚌᚐᚅᚐᚉᚆ᚜ | UH-rtuh-gaw-nuhkh | orthogonal | WiktionarygaelspellFoclóir | |
| ortagánacht | ᚛ᚑᚏᚈᚐᚌᚐᚅᚐᚉᚆᚈ᚜ | UH-rtuh-gaw-nuhkht | orthogonality | WiktionarygaelspellFoclóir | |
| ortaigineas | ᚛ᚑᚏᚈᚐᚔᚌᚔᚅᚓᚐᚄ᚜ | UH-rtuh-uh-guh-nas | orthogenesis | WiktionaryFoclóir | |
| ortaipéide | ᚛ᚑᚏᚈᚐᚔᚚᚓᚔᚇᚓ᚜ | UH-rtuh-uh-pay-uh-duh | orthopedics | WiktionarygaelspellFoclóir | |
| ortaipéideach | ᚛ᚑᚏᚈᚐᚔᚚᚓᚔᚇᚓᚐᚉᚆ᚜ | UH-rtuh-uh-pay-uh-dakh | orthopaedic | WiktionarygaelspellFoclóir | |
| ortaipéidic | ᚛ᚑᚏᚈᚐᚔᚚᚓᚔᚇᚔᚉ᚜ | UH-rtuh-uh-pay-uh-duhk | orthopaedics | Foclóir | |
| ortaipéidí | ᚛ᚑᚏᚈᚐᚔᚚᚓᚔᚇᚔ᚜ | UH-rtuh-uh-pay-uh-dee | orthopaedist | gaelspellFoclóir | |
| ortódóntach | ᚛ᚑᚏᚈᚑᚇᚑᚅᚈᚐᚉᚆ᚜ | UH-rtoh-doh-ntuhkh | orthodontic | Foclóir | |
| ortódóntaic | ᚛ᚑᚏᚈᚑᚇᚑᚅᚈᚐᚔᚉ᚜ | UH-rtoh-doh-ntuh-uhk | orthodontics | Foclóir | |
| ortódóntóir | ᚛ᚑᚏᚈᚑᚇᚑᚅᚈᚑᚔᚏ᚜ | UH-rtoh-doh-ntoh-uhr | orthodontist | Foclóir | |
| Oráisteach | ᚛ᚑᚏᚐᚔᚄᚈᚓᚐᚉᚆ᚜ | UH-raw-uh-shtakh | orangeman | gaelspellFoclóir | |
| Oráisteachas | ᚛ᚑᚏᚐᚔᚄᚈᚓᚐᚉᚆᚐᚄ᚜ | UH-raw-uh-shta-khuhs | orangeism | gaelspellFoclóir | |
| os a choinne sin | ᚛ᚑᚄ ᚐ ᚉᚆᚑᚔᚅᚅᚓ ᚄᚔᚅ᚜ | UHS AH KHIH-nnuh SHIHN | conversely | Foclóir | |
| os ard | ᚛ᚑᚄ ᚐᚏᚇ᚜ | UHS AHRD | aloud | WiktionaryFoclóir | |
| os cionn láimhe | ᚛ᚑᚄ ᚉᚔᚑᚅᚅ ᚂᚐᚔᚋᚆᚓ᚜ | UHS KIH-uhnn LAW-uh-vuh | overarm | Foclóir | |
| os cionn talún | ᚛ᚑᚄ ᚉᚔᚑᚅᚅ ᚈᚐᚂᚒᚅ᚜ | UHS KIH-uhnn TAH-loon | overground | Foclóir | |
| os-mhise | ᚛ᚑᚄᚋᚆᚔᚄᚓ᚜ | UH-shvuh-shuh | superego | WiktionaryFoclóir | |
| Osaka | ᚛ᚑᚄᚐᚐ᚜ | UH-suh-kuh | osaka | gaelspellFoclóir | |
| osalat | ᚛ᚑᚄᚐᚂᚐᚈ᚜ | UH-suh-luht | ocelot | WiktionarygaelspellFoclóir | |
| osamharc | ᚛ᚑᚄᚐᚋᚆᚐᚏᚉ᚜ | UH-sow-uhrk | overview | WiktionaryFoclóir | |
| oscailte | ᚛ᚑᚄᚉᚐᚔᚂᚈᚓ᚜ | UH-skuh-uh-ltuh | all-comers | WiktionarygaelspellFoclóir | |
| oscailteacht | ᚛ᚑᚄᚉᚐᚔᚂᚈᚓᚐᚉᚆᚈ᚜ | UH-skuh-uh-ltakht | openness | WiktionarygaelspellFoclóir | |
| osduine | ᚛ᚑᚄᚇᚒᚔᚅᚓ᚜ | UH-sdih-nuh | superman | WiktionarygaelspellFoclóir | |
| Osló | ᚛ᚑᚄᚂᚑ᚜ | UH-sloh | oslo | gaelspellFoclóir | |
| osmalálacht | ᚛ᚑᚄᚋᚐᚂᚐᚂᚐᚉᚆᚈ᚜ | UH-smuh-law-luhkht | osmolality | WiktionaryFoclóir | |
| osmóis | ᚛ᚑᚄᚋᚑᚔᚄ᚜ | UH-smoh-uhsh | osmosis | gaelspellFoclóir | |
| osmóiseach | ᚛ᚑᚄᚋᚑᚔᚄᚓᚐᚉᚆ᚜ | UH-smoh-uh-shakh | osmotic | gaelspellFoclóir | |
| osna | ᚛ᚑᚄᚅᚐ᚜ | UH-snuh | sigh | WiktionarygaelspellFoclóirTeanglann | From , from + . |
| ospídéal | ᚛ᚑᚄᚚᚔᚇᚓᚐᚂ᚜ | UH-shpee-day-uhl | hospital | WiktionaryFreeDictgaelspellFoclóirTeanglann | |
| ospís | ᚛ᚑᚄᚚᚔᚄ᚜ | UH-shpeesh | hospice | gaelspellFoclóir | |
| Ostarach | ᚛ᚑᚄᚈᚐᚏᚐᚉᚆ᚜ | UH-stuh-ruhkh | austrian | WiktionarygaelspellFoclóir | |
| osteilgeoir | ᚛ᚑᚄᚈᚓᚔᚂᚌᚓᚑᚔᚏ᚜ | UH-shtuh-uh-lgoh-uhr | overhead projector | WiktionarygaelspellFoclóir | |
| osánacht | ᚛ᚑᚄᚐᚅᚐᚉᚆᚈ᚜ | UH-saw-nuhkht | hosiery | WiktionarygaelspellFoclóir | |
| otairinealaraingeolaíocht | ᚛ᚑᚈᚐᚔᚏᚔᚅᚓᚐᚂᚐᚏᚐᚔᚅᚌᚓᚑᚂᚐᚔᚑᚉᚆᚈ᚜ | UH-tuh-uh-ruh-na-luh-ruh-uh-ngoh-lee-uhkht | otorhinolaryngology | WiktionaryFoclóir | |
| otamán | ᚛ᚑᚈᚐᚋᚐᚅ᚜ | UH-tuh-mawn | ottoman | gaelspellFoclóir | |
| othair atá ábalta siúl | ᚛ᚑᚈᚆᚐᚔᚏ ᚐᚈᚐ ᚐᚁᚐᚂᚈᚐ ᚄᚔᚒᚂ᚜ | UH-huh-uhr AH-taw AW-buh-ltuh SHIH-ool | ambulant | Foclóir | |
| othar seachtrach | ᚛ᚑᚈᚆᚐᚏ ᚄᚓᚐᚉᚆᚈᚏᚐᚉᚆ᚜ | UH-huhr SHA-khtruhkh | outpatient | Foclóir | |
| otharlann | ᚛ᚑᚈᚆᚐᚏᚂᚐᚅᚅ᚜ | UH-huh-rluhnn | infirmary | WiktionarygaelspellFoclóir | |
| otracht | ᚛ᚑᚈᚏᚐᚉᚆᚈ᚜ | UH-truhkht | filthiness | WiktionarygaelspellFoclóir | |
| otras | ᚛ᚑᚈᚏᚐᚄ᚜ | UH-truhs | filth | WiktionarygaelspellFoclóir | |
| Ottawa | ᚛ᚑᚈᚈᚐᚐ᚜ | UH-ttuh-wuh | ottawa | gaelspellFoclóir | |
| Ouagadougou | ᚛ᚑᚒᚐᚌᚐᚇᚑᚒᚌᚑᚒ᚜ | UH-oo-uh-guh-duh-uh-guh-uh | ouagadougou | Foclóir | |
| oíche cheann féile | ᚛ᚑᚔᚉᚆᚓ ᚉᚆᚓᚐᚅᚅ ᚃᚓᚔᚂᚓ᚜ | EE-huh HANN FAY-uh-luh | eve of a festival | WiktionaryFoclóir | |
| oíche ghealaí | ᚛ᚑᚔᚉᚆᚓ ᚌᚆᚓᚐᚂᚐᚔ᚜ | EE-huh YA-lee | moonlit | Foclóir | |
| oíche go maidin | ᚛ᚑᚔᚉᚆᚓ ᚌᚑ ᚋᚐᚔᚇᚔᚅ᚜ | EE-huh GUH MAH-uh-duhn | all-nighter | Foclóir | |
| oíche mhaith | ᚛ᚑᚔᚉᚆᚓ ᚋᚆᚐᚔᚈᚆ᚜ | EE-huh WAH-uhh | goodnight | WiktionaryFoclóir | |
| oíche na ngradam | ᚛ᚑᚔᚉᚆᚓ ᚅᚐ ᚅᚌᚏᚐᚇᚐᚋ᚜ | EE-huh NAH NGRAH-duhm | awards | Foclóir | |
| ó am go chéile | ᚛ᚑ ᚐᚋ ᚌᚑ ᚉᚆᚓᚔᚂᚓ᚜ | OH AHM GUH HAY-uh-luh | occasional | Foclóir | |
| ó bhun aníos | ᚛ᚑ ᚁᚆᚒᚅ ᚐᚅᚔᚑᚄ᚜ | OH WUHN AH-nee-uhs | bottom-up | Foclóir | |
| ó bhun go barr | ᚛ᚑ ᚁᚆᚒᚅ ᚌᚑ ᚁᚐᚏᚏ᚜ | OH WUHN GUH BAHRR | all-over | Foclóir | |
| ó chroí | ᚛ᚑ ᚉᚆᚏᚑᚔ᚜ | OH KHRUH-ee | deep-felt | Foclóir | |
| ó dhúchas | ᚛ᚑ ᚇᚆᚒᚉᚆᚐᚄ᚜ | OH GHOO-khuhs | inborn | Foclóir | |
| ó ghlúin go glúin | ᚛ᚑ ᚌᚆᚂᚒᚔᚅ ᚌᚑ ᚌᚂᚒᚔᚅ᚜ | OH GHLOO-uhn GUH GLOO-uhn | intergenerational | Foclóir | |
| ó nochtadh an fhírinne faoin straitéis | ᚛ᚑ ᚅᚑᚉᚆᚈᚐᚇᚆ ᚐᚅ ᚃᚆᚔᚏᚔᚅᚅᚓ ᚃᚐᚑᚔᚅ ᚄᚈᚏᚐᚔᚈᚓᚔᚄ᚜ | OH NUH-khteye AHN EE-ruh-nnuh FEE-uhn STRAH-uh-tay-uhsh | debunking | Foclóir | |
| ó rinneadh beannaitheach di | ᚛ᚑ ᚏᚔᚅᚅᚓᚐᚇᚆ ᚁᚓᚐᚅᚅᚐᚔᚈᚆᚓᚐᚉᚆ ᚇᚔ᚜ | OH RIH-nnagh BA-nnuh-uh-hakh DIH | beatification | Foclóir | |
| ó shin | ᚛ᚑ ᚄᚆᚔᚅ᚜ | OH HIHN | ago | WiktionaryFoclóir | |
| ó thaobh airgeadais de | ᚛ᚑ ᚈᚆᚐᚑᚁᚆ ᚐᚔᚏᚌᚓᚐᚇᚐᚔᚄ ᚇᚓ᚜ | OH HEEW AH-uh-rga-duh-uhsh DEH | financially | Foclóir | |
| ó thaobh an oideachais de | ᚛ᚑ ᚈᚆᚐᚑᚁᚆ ᚐᚅ ᚑᚔᚇᚓᚐᚉᚆᚐᚔᚄ ᚇᚓ᚜ | OH HEEW AHN IH-da-khuh-uhsh DEH | educationally | Foclóir | |
| ó thaobh cineáil de | ᚛ᚑ ᚈᚆᚐᚑᚁᚆ ᚉᚔᚅᚓᚐᚔᚂ ᚇᚓ᚜ | OH HEEW KIH-naw-uhl DEH | generically | Foclóir | |
| ó thaobh cothaithe de | ᚛ᚑ ᚈᚆᚐᚑᚁᚆ ᚉᚑᚈᚆᚐᚔᚈᚆᚓ ᚇᚓ᚜ | OH HEEW KUH-huh-uh-huh DEH | nutritionally | Foclóir | |
| ó thaobh cultúir de | ᚛ᚑ ᚈᚆᚐᚑᚁᚆ ᚉᚒᚂᚈᚒᚔᚏ ᚇᚓ᚜ | OH HEEW KUH-ltoo-uhr DEH | culturally | Foclóir | |
| ó thaobh eitneachta de | ᚛ᚑ ᚈᚆᚐᚑᚁᚆ ᚓᚔᚈᚅᚓᚐᚉᚆᚈᚐ ᚇᚓ᚜ | OH HEEW EH-uh-tna-khtuh DEH | ethnically | Foclóir | |
| ó thaobh gairme de | ᚛ᚑ ᚈᚆᚐᚑᚁᚆ ᚌᚐᚔᚏᚋᚓ ᚇᚓ᚜ | OH HEEW GAH-uh-rmuh DEH | occupationally | Foclóir | |
| ó thaobh geolaíochta de | ᚛ᚑ ᚈᚆᚐᚑᚁᚆ ᚌᚓᚑᚂᚐᚔᚑᚉᚆᚈᚐ ᚇᚓ᚜ | OH HEEW GOH-lee-uh-khtuh DEH | geologically | Foclóir | |
| ó thaobh meabhrach de | ᚛ᚑ ᚈᚆᚐᚑᚁᚆ ᚋᚓᚐᚁᚆᚏᚐᚉᚆ ᚇᚓ᚜ | OH HEEW MA-wruhkh DEH | mentally | Foclóir | |
| ó thaobh na bitheolaíochta de | ᚛ᚑ ᚈᚆᚐᚑᚁᚆ ᚅᚐ ᚁᚔᚈᚆᚓᚑᚂᚐᚔᚑᚉᚆᚈᚐ ᚇᚓ᚜ | OH HEEW NAH BIH-hoh-lee-uh-khtuh DEH | biologically | Foclóir | |
| ó thaobh na déimeagrafaice de | ᚛ᚑ ᚈᚆᚐᚑᚁᚆ ᚅᚐ ᚇᚓᚔᚋᚓᚐᚌᚏᚐᚃᚐᚔᚉᚓ ᚇᚓ᚜ | OH HEEW NAH DAY-uh-ma-gruh-fuh-uh-kuh DEH | demographically | Foclóir | |
| ó thaobh na gramadaí | ᚛ᚑ ᚈᚆᚐᚑᚁᚆ ᚅᚐ ᚌᚏᚐᚋᚐᚇᚐᚔ᚜ | OH HEEW NAH GRAH-muh-dee | grammatically | Foclóir | |
| ó thaobh na hailtireachta de | ᚛ᚑ ᚈᚆᚐᚑᚁᚆ ᚅᚐ ᚆᚐᚔᚂᚈᚔᚏᚓᚐᚉᚆᚈᚐ ᚇᚓ᚜ | OH HEEW NAH HAH-uh-ltuh-ra-khtuh DEH | architecturally | Foclóir | |
| ó thaobh na hastralaíochta de | ᚛ᚑ ᚈᚆᚐᚑᚁᚆ ᚅᚐ ᚆᚐᚄᚈᚏᚐᚂᚐᚔᚑᚉᚆᚈᚐ ᚇᚓ᚜ | OH HEEW NAH HAH-struh-lee-uh-khtuh DEH | astrologically | Foclóir | |
| ó thaobh na heagarthóireachta de | ᚛ᚑ ᚈᚆᚐᚑᚁᚆ ᚅᚐ ᚆᚓᚐᚌᚐᚏᚈᚆᚑᚔᚏᚓᚐᚉᚆᚈᚐ ᚇᚓ᚜ | OH HEEW NAH HA-guh-rhoh-uh-ra-khtuh DEH | editorially | Foclóir | |
| ó thaobh na heitneolaíochta de | ᚛ᚑ ᚈᚆᚐᚑᚁᚆ ᚅᚐ ᚆᚓᚔᚈᚅᚓᚑᚂᚐᚔᚑᚉᚆᚈᚐ ᚇᚓ᚜ | OH HEEW NAH HEH-uh-tnoh-lee-uh-khtuh DEH | ethnologically | Foclóir | |
| ó thaobh na hidé-eolaíochta de | ᚛ᚑ ᚈᚆᚐᚑᚁᚆ ᚅᚐ ᚆᚔᚇᚓᚓᚑᚂᚐᚔᚑᚉᚆᚈᚐ ᚇᚓ᚜ | OH HEEW NAH HIH-day-oh-lee-uh-khtuh DEH | ideologically | Foclóir | |
| ó thaobh na héiceolaíochta de | ᚛ᚑ ᚈᚆᚐᚑᚁᚆ ᚅᚐ ᚆᚓᚔᚉᚓᚑᚂᚐᚔᚑᚉᚆᚈᚐ ᚇᚓ᚜ | OH HEEW NAH HAY-uh-koh-lee-uh-khtuh DEH | ecologically | Foclóir | |
| ó thaobh na matamaitice de | ᚛ᚑ ᚈᚆᚐᚑᚁᚆ ᚅᚐ ᚋᚐᚈᚐᚋᚐᚔᚈᚔᚉᚓ ᚇᚓ᚜ | OH HEEW NAH MAH-tuh-muh-uh-tuh-kuh DEH | mathematically | Foclóir | |
| ó thaobh na micribhitheolaíochta de | ᚛ᚑ ᚈᚆᚐᚑᚁᚆ ᚅᚐ ᚋᚔᚉᚏᚔᚁᚆᚔᚈᚆᚓᚑᚂᚐᚔᚑᚉᚆᚈᚐ ᚇᚓ᚜ | OH HEEW NAH MIH-kruh-vuh-hoh-lee-uh-khtuh DEH | microbiologically | Foclóir | |
| ó thaobh na modheolaíochta de | ᚛ᚑ ᚈᚆᚐᚑᚁᚆ ᚅᚐ ᚋᚑᚇᚆᚓᚑᚂᚐᚔᚑᚉᚆᚈᚐ ᚇᚓ᚜ | OH HEEW NAH MUH-yoh-lee-uh-khtuh DEH | methodologically | Foclóir | |
| ó thaobh na réalteolaíochta de | ᚛ᚑ ᚈᚆᚐᚑᚁᚆ ᚅᚐ ᚏᚓᚐᚂᚈᚓᚑᚂᚐᚔᚑᚉᚆᚈᚐ ᚇᚓ᚜ | OH HEEW NAH RAY-uh-ltoh-lee-uh-khtuh DEH | astronomically | Foclóir | |
| ó thaobh na ríomhaireachta de | ᚛ᚑ ᚈᚆᚐᚑᚁᚆ ᚅᚐ ᚏᚔᚑᚋᚆᚐᚔᚏᚓᚐᚉᚆᚈᚐ ᚇᚓ᚜ | OH HEEW NAH REE-oh-uh-uh-ra-khtuh DEH | computationally | Foclóir | |
| ó thaobh na sanasaíochta de | ᚛ᚑ ᚈᚆᚐᚑᚁᚆ ᚅᚐ ᚄᚐᚅᚐᚄᚐᚔᚑᚉᚆᚈᚐ ᚇᚓ᚜ | OH HEEW NAH SAH-nuh-see-uh-khtuh DEH | etymologically | Foclóir | |
| ó thaobh na taidhleoireachta de | ᚛ᚑ ᚈᚆᚐᚑᚁᚆ ᚅᚐ ᚈᚐᚔᚇᚆᚂᚓᚑᚔᚏᚓᚐᚉᚆᚈᚐ ᚇᚓ᚜ | OH HEEW NAH TAH-uh-yloh-uh-ra-khtuh DEH | diplomatically | Foclóir | |
| ó thaobh na teangeolaíochta de | ᚛ᚑ ᚈᚆᚐᚑᚁᚆ ᚅᚐ ᚈᚓᚐᚅᚌᚓᚑᚂᚐᚔᚑᚉᚆᚈᚐ ᚇᚓ᚜ | OH HEEW NAH TA-ngoh-lee-uh-khtuh DEH | linguistically | Foclóir | |
| ó thaobh na timpeallachta de | ᚛ᚑ ᚈᚆᚐᚑᚁᚆ ᚅᚐ ᚈᚔᚋᚚᚓᚐᚂᚂᚐᚉᚆᚈᚐ ᚇᚓ᚜ | OH HEEW NAH TIH-mpa-lluh-khtuh DEH | environmentally | Foclóir | |
| ó thaobh na tráchtála de | ᚛ᚑ ᚈᚆᚐᚑᚁᚆ ᚅᚐ ᚈᚏᚐᚉᚆᚈᚐᚂᚐ ᚇᚓ᚜ | OH HEEW NAH TRAW-khtaw-luh DEH | commercially | Foclóir | |
| ó thaobh na tíreolaíochta de | ᚛ᚑ ᚈᚆᚐᚑᚁᚆ ᚅᚐ ᚈᚔᚏᚓᚑᚂᚐᚔᚑᚉᚆᚈᚐ ᚇᚓ᚜ | OH HEEW NAH TEE-roh-lee-uh-khtuh DEH | geographically | Foclóir | |
| ó thaobh oibríochta de | ᚛ᚑ ᚈᚆᚐᚑᚁᚆ ᚑᚔᚁᚏᚔᚑᚉᚆᚈᚐ ᚇᚓ᚜ | OH HEEW IH-bree-uh-khtuh DEH | operationally | Foclóir | |
| ó thaobh sláinte de | ᚛ᚑ ᚈᚆᚐᚑᚁᚆ ᚄᚂᚐᚔᚅᚈᚓ ᚇᚓ᚜ | OH HEEW SLAW-uh-ntuh DEH | medically | Foclóir | |
| ó thuaidh | ᚛ᚑ ᚈᚆᚒᚐᚔᚇᚆ᚜ | OH HOO-UH-uhy | northward | WiktionaryFoclóir | |
| ó thuaidh siar ó thuaidh | ᚛ᚑ ᚈᚆᚒᚐᚔᚇᚆ ᚄᚔᚐᚏ ᚑ ᚈᚆᚒᚐᚔᚇᚆ᚜ | OH HOO-UH-uhy SHEE-UHR OH HOO-UH-uhy | north-northwest | Foclóir | |
| óbóir | ᚛ᚑᚁᚑᚔᚏ᚜ | OH-boh-uhr | oboist | gaelspellFoclóir | |
| ócam | ᚛ᚑᚉᚐᚋ᚜ | OH-kuhm | oakum | gaelspellFoclóir | |
| óch | ᚛ᚑᚉᚆ᚜ | OHKH | alas! | WiktionarygaelspellFoclóir | |
| ócht | ᚛ᚑᚉᚆᚈ᚜ | OHKHT | virginity | WiktionarygaelspellFoclóir | From , from . |
| ócáid tiomsaithe airgid | ᚛ᚑᚉᚐᚔᚇ ᚈᚔᚑᚋᚄᚐᚔᚈᚆᚓ ᚐᚔᚏᚌᚔᚇ᚜ | OH-kaw-uhd TIH-uh-msuh-uh-huh AH-uh-rguhd | fundraiser | Foclóir | |
| ócáideachas | ᚛ᚑᚉᚐᚔᚇᚓᚐᚉᚆᚐᚄ᚜ | OH-kaw-uh-da-khuhs | occasionalism | WiktionaryFoclóir | |
| ócáipe | ᚛ᚑᚉᚐᚔᚚᚓ᚜ | OH-kaw-uh-puh | okapi | gaelspellFoclóir | |
| ódónteolaí | ᚛ᚑᚇᚑᚅᚈᚓᚑᚂᚐᚔ᚜ | OH-doh-ntoh-lee | odontologist | Foclóir | |
| ódónteolaíocht | ᚛ᚑᚇᚑᚅᚈᚓᚑᚂᚐᚔᚑᚉᚆᚈ᚜ | OH-doh-ntoh-lee-uhkht | odontology | WiktionaryFoclóir | |
| óg- | ᚛ᚑᚌ᚜ | OHG | juvenile | Foclóir | |
| ógmhná mealltacha | ᚛ᚑᚌᚋᚆᚅᚐ ᚋᚓᚐᚂᚂᚈᚐᚉᚆᚐ᚜ | OH-gwnaw MA-lltuh-khuh | nubile | Foclóir | |
| ógántacht | ᚛ᚑᚌᚐᚅᚈᚐᚉᚆᚈ᚜ | OH-gaw-ntuhkht | adolescence | WiktionarygaelspellFoclóir | |
| óid | ᚛ᚑᚔᚇ᚜ | OH-uhd | ode | gaelspellFoclóir | |
| óige | ᚛ᚑᚔᚌᚓ᚜ | OH-uh-guh | boyhood | TatoebagaelspellFoclóir | |
| óigeanta | ᚛ᚑᚔᚌᚓᚐᚅᚈᚐ᚜ | OH-uh-ga-ntuh | boyish | WiktionarygaelspellFoclóir | |
| óigeantacht | ᚛ᚑᚔᚌᚓᚐᚅᚈᚐᚉᚆᚈ᚜ | OH-uh-ga-ntuhkht | youthfulness | WiktionarygaelspellFoclóir | From (equivalent to ). |
| óimige | ᚛ᚑᚔᚋᚔᚌᚓ᚜ | OH-uh-muh-guh | omega | gaelspellFoclóir | |
| óimige 3 | ᚛ᚑᚔᚋᚔᚌᚓ ᚜ | | omega- | Foclóir | |
| óinseach | ᚛ᚑᚔᚅᚄᚓᚐᚉᚆ᚜ | OH-uh-nshakh | muppet | WiktionarygaelspellFoclóir | |
| óipiam | ᚛ᚑᚔᚚᚔᚐᚋ᚜ | OH-uh-pee-uhm | opium | gaelspellFoclóir | |
| óiréal | ᚛ᚑᚔᚏᚓᚐᚂ᚜ | OH-uh-ray-uhl | oriole | WiktionarygaelspellFoclóir | |
| óisín | ᚛ᚑᚔᚄᚔᚅ᚜ | oh-uh-SHEEN | osculum | WiktionarygaelspellFoclóir | |
| ól | ᚛ᚑᚂ᚜ | OHL | boozing | WiktionaryTatoebagaelspellFoclóir | First-conjugation verb meaning drink. Verbal noun also ól. |
| óltóir | ᚛ᚑᚂᚈᚑᚔᚏ᚜ | OH-ltoh-uhr | drinker | gaelspellFoclóir | |
| óltóir ragúis | ᚛ᚑᚂᚈᚑᚔᚏ ᚏᚐᚌᚒᚔᚄ᚜ | OH-ltoh-uhr RAH-goo-uhsh | binge drinker | WiktionaryFoclóir | |
| óm | ᚛ᚑᚋ᚜ | OHM | ohm | gaelspellFoclóir | |
| óm-mhéadar | ᚛ᚑᚋᚋᚆᚓᚐᚇᚐᚏ᚜ | OH-mvay-uh-duhr | ohmmeter | WiktionaryFoclóir | |
| Óman | ᚛ᚑᚋᚐᚅ᚜ | OH-muhn | oman | gaelspellFoclóir | |
| ón tseanaimsir | ᚛ᚑᚅ ᚈᚄᚓᚐᚅᚐᚔᚋᚄᚔᚏ᚜ | OHN TSHA-nuh-uh-mshuhr | immemorial | Foclóir | |
| ónar | ᚛ᚑᚅᚐᚏ᚜ | OH-nuhr | from which | WiktionarygaelspellFoclóir | |
| ónarb | ᚛ᚑᚅᚐᚏᚁ᚜ | OH-nuhrb | from which | WiktionarygaelspellFoclóir | |
| ónarbh | ᚛ᚑᚅᚐᚏᚁᚆ᚜ | OH-nuhrw | from which | WiktionarygaelspellFoclóir | |
| ópalacht | ᚛ᚑᚚᚐᚂᚐᚉᚆᚈ᚜ | OH-puh-luhkht | opalescence | WiktionaryFoclóir | |
| óraigh | ᚛ᚑᚏᚐᚔᚌᚆ᚜ | OH-ruh-uhy | gild | gaelspellFoclóir | |
| órang-útan | ᚛ᚑᚏᚐᚅᚌᚒᚈᚐᚅ᚜ | OH-ruh-ngoo-tuhn | orang-utan | WiktionarygaelspellFoclóir | |
| órcheantar | ᚛ᚑᚏᚉᚆᚓᚐᚅᚈᚐᚏ᚜ | OH-rha-ntuhr | goldfield | gaelspellFoclóir | |
| órshúileach | ᚛ᚑᚏᚄᚆᚒᚔᚂᚓᚐᚉᚆ᚜ | OH-rhoo-uh-lakh | goldeneye | gaelspellFoclóir | |
| óráidí | ᚛ᚑᚏᚐᚔᚇᚔ᚜ | OH-raw-uh-dee | orator | gaelspellFoclóir | |
| óráidíocht phoiblí | ᚛ᚑᚏᚐᚔᚇᚔᚑᚉᚆᚈ ᚚᚆᚑᚔᚁᚂᚔ᚜ | OH-raw-uh-dee-uhkht FIH-blee | public speaking | WiktionaryFoclóir | |
| óráidíochta | ᚛ᚑᚏᚐᚔᚇᚔᚑᚉᚆᚈᚐ᚜ | OH-raw-uh-dee-uh-khtuh | oratorical | gaelspellFoclóir | |
| órú | ᚛ᚑᚏᚒ᚜ | OH-roo | gilding | gaelspellFoclóir | |
| óstach | ᚛ᚑᚄᚈᚐᚉᚆ᚜ | OH-stuhkh | compere | WiktionarygaelspellFoclóir | |
| óstlann | ᚛ᚑᚄᚈᚂᚐᚅᚅ᚜ | OH-stluhnn | hotel | FreeDictgaelspellFoclóirTeanglann | |
| óstánaí | ᚛ᚑᚄᚈᚐᚅᚐᚔ᚜ | OH-staw-nee | hotelier | Foclóir | |
| óstóir | ᚛ᚑᚄᚈᚑᚔᚏ᚜ | OH-stoh-uhr | innkeeper; landlord | WiktionarygaelspellFoclóir |
Geography & Landscape
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| oighearchaidhp | ᚛ᚑᚔᚌᚆᚓᚐᚏᚉᚆᚐᚔᚇᚆᚚ᚜ | IH-ya-rkhuh-uhyp | ice cap | gaelspellFoclóir | |
| oighearshruth | ᚛ᚑᚔᚌᚆᚓᚐᚏᚄᚆᚏᚒᚈᚆ᚜ | IH-ya-rhruhh | glacier | gaelspellFoclóirTeanglann | |
| oileáinín | ᚛ᚑᚔᚂᚓᚐᚔᚅᚔᚅ᚜ | ih-law-uh-NEEN | islet | gaelspellFoclóirTeanglann | |
| oileánra | ᚛ᚑᚔᚂᚓᚐᚅᚏᚐ᚜ | IH-law-nruh | archipelago | WiktionarygaelspellFoclóirTeanglann | |
| Oirthear | ᚛ᚑᚔᚏᚈᚆᚓᚐᚏ᚜ | UR-her | the east | WiktionarygaelspellFoclóir | The East. |
| ósais | ᚛ᚑᚄᚐᚔᚄ᚜ | OH-suh-uhsh | oasis | gaelspellFoclóirTeanglann |
Greetings & Expressions
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| oscail an doras | ᚛ᚑᚄᚉᚐᚔᚂ ᚐᚅ ᚇᚑᚏᚐᚄ᚜ | USS-kil un DUR-uss | open the door | Rosmerta editorial | Open the door. |
Health & Medicine
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| obráid | ᚛ᚑᚁᚏᚐᚔᚇ᚜ | UH-braw-uhd | operation | WiktionarygaelspellFoclóirTeanglann | |
| ocsaigin | ᚛ᚑᚉᚄᚐᚔᚌᚔᚅ᚜ | UH-ksuh-uh-guhn | oxygen | WiktionarygaelspellFoclóirTeanglann | |
| oibrithe | ᚛ᚑᚔᚁᚏᚔᚈᚆᚓ᚜ | IH-bruh-huh | labour | gaelspellFoclóirTeanglann | |
| oibriúchán | ᚛ᚑᚔᚁᚏᚔᚒᚉᚆᚐᚅ᚜ | IH-bruh-oo-khawn | operation | WiktionarygaelspellFoclóirTeanglann | From + hiatus-filling + . |
| oibríocht | ᚛ᚑᚔᚁᚏᚔᚑᚉᚆᚈ᚜ | IH-bree-uhkht | operation | WiktionarygaelspellFoclóirTeanglann | |
| oideas | ᚛ᚑᚔᚇᚓᚐᚄ᚜ | IH-das | prescription | WiktionarygaelspellFoclóirTeanglann | |
| oighearfhuar | ᚛ᚑᚔᚌᚆᚓᚐᚏᚃᚆᚒᚐᚏ᚜ | IH-ya-roo-uhr | ice-cold | Foclóir | |
| oisté-airtríteas | ᚛ᚑᚔᚄᚈᚓᚐᚔᚏᚈᚏᚔᚈᚓᚐᚄ᚜ | IH-shtay-uh-uh-rtree-tas | osteoarthritis | WiktionaryFoclóir | |
| oistéapóróis | ᚛ᚑᚔᚄᚈᚓᚐᚚᚑᚏᚑᚔᚄ᚜ | IH-shtay-uh-poh-roh-uhsh | osteoporosis | WiktionarygaelspellFoclóir | |
| optaiméadracht | ᚛ᚑᚚᚈᚐᚔᚋᚓᚐᚇᚏᚐᚉᚆᚈ᚜ | UH-ptuh-uh-may-uh-druhkht | optometry | WiktionaryFoclóir | |
| otharcharr | ᚛ᚑᚈᚆᚐᚏᚉᚆᚐᚏᚏ᚜ | UH-huh-rkhuhrr | ambulance | WiktionaryTatoebagaelspellFoclóirTeanglann | |
| othras | ᚛ᚑᚈᚆᚏᚐᚄ᚜ | UH-hruhs | ulcer | WiktionarygaelspellFoclóirTeanglann | |
| ó bhroinn | ᚛ᚑ ᚁᚆᚏᚑᚔᚅᚅ᚜ | OH WRIHNN | congenital | FoclóirTeanglann | |
| ó oidhreacht | ᚛ᚑ ᚑᚔᚇᚆᚏᚓᚐᚉᚆᚈ᚜ | OH IH-yrakht | hereditary | FoclóirTeanglann |
Home & Objects
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| oighearchlár | ᚛ᚑᚔᚌᚆᚓᚐᚏᚉᚆᚂᚐᚏ᚜ | IH-ya-rkhlawr | ice shelf | WiktionaryFoclóir | |
| oiliúint tí | ᚛ᚑᚔᚂᚔᚒᚔᚅᚈ ᚈᚔ᚜ | IH-luh-oo-uhnt TEE | house-training | Foclóir | |
| oiliúint tí a chur ar | ᚛ᚑᚔᚂᚔᚒᚔᚅᚈ ᚈᚔ ᚐ ᚉᚆᚒᚏ ᚐᚏ᚜ | IH-luh-oo-uhnt TEE AH KHUHR AHR | house-train | Foclóir | |
| ollúnacht | ᚛ᚑᚂᚂᚒᚅᚐᚉᚆᚈ᚜ | UH-lloo-nuhkht | chair | WiktionarygaelspellFoclóirTeanglann | |
| oscailt na gcuirtíní | ᚛ᚑᚄᚉᚐᚔᚂᚈ ᚅᚐ ᚌᚉᚒᚔᚏᚈᚔᚅᚔ᚜ | UH-skuh-uhlt NAH GKIH-rtee-nee | curtain-up | Foclóir | |
| osclóir buidéal | ᚛ᚑᚄᚉᚂᚑᚔᚏ ᚁᚒᚔᚇᚓᚐᚂ᚜ | UH-skloh-uhr BIH-day-uhl | bottle opener | Foclóir | |
| osclóir cannaí | ᚛ᚑᚄᚉᚂᚑᚔᚏ ᚉᚐᚅᚅᚐᚔ᚜ | UH-skloh-uhr KAH-nnee | can opener | Foclóir | |
| ó theach go teach | ᚛ᚑ ᚈᚆᚓᚐᚉᚆ ᚌᚑ ᚈᚓᚐᚉᚆ᚜ | OH HAKH GUH CHAKH | house-to-house | Foclóir |
Industries & Trades
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| obair mhiotail | ᚛ᚑᚁᚐᚔᚏ ᚋᚆᚔᚑᚈᚐᚔᚂ᚜ | UH-buh-uhr VIH-uh-tuh-uhl | metalwork | FoclóirTeanglann | |
| oibreacha bóthair | ᚛ᚑᚔᚁᚏᚓᚐᚉᚆᚐ ᚁᚑᚈᚆᚐᚔᚏ᚜ | IH-bra-khuh BOH-huh-uhr | roadworks | Foclóir | |
| oideachas | ᚛ᚑᚔᚇᚓᚐᚉᚆᚐᚄ᚜ | IH-da-khuhs | education | WiktionaryTatoebagaelspellFoclóirTeanglann |
Kitchen & Cooking
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| oigheann | ᚛ᚑᚔᚌᚆᚓᚐᚅᚅ᚜ | EYE-un | oven | WiktionarygaelspellFoclóirTeanglann | Oven. |
| oigheann micreathonnach | ᚛ᚑᚔᚌᚆᚓᚐᚅᚅ ᚋᚔᚉᚏᚓᚐᚈᚆᚑᚅᚅᚐᚉᚆ᚜ | IH-yann MIH-kra-huh-nnuhkh | microwave | WiktionaryFoclóir | |
| oisre | ᚛ᚑᚔᚄᚏᚓ᚜ | IH-shruh | oyster | WiktionarygaelspellFoclóirTeanglann |
Maritime & Coastal
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| oileán mara | ᚛ᚑᚔᚂᚓᚐᚅ ᚋᚐᚏᚐ᚜ | IL-yawn MAR-uh | sea island | WiktionaryFoclóir | Sea island. |
| orlach | ᚛ᚑᚏᚂᚐᚉᚆ᚜ | UH-rluhkh | inch | WiktionarygaelspellFoclóirTeanglann | |
| ó chósta go cósta | ᚛ᚑ ᚉᚆᚑᚄᚈᚐ ᚌᚑ ᚉᚑᚄᚈᚐ᚜ | OH KHOH-stuh GUH KOH-stuh | coast-to-coast | Foclóir |
Money & Commerce
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| ollmhargadh | ᚛ᚑᚂᚂᚋᚆᚐᚏᚌᚐᚇᚆ᚜ | UL-VAR-uh-guh | supermarket | WiktionarygaelspellFoclóir | Supermarket — ‘great market.’ |
Music & Instruments
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| ochtach | ᚛ᚑᚉᚆᚈᚐᚉᚆ᚜ | UH-khtuhkh | octave | gaelspellFoclóirTeanglann | |
| ochtréad | ᚛ᚑᚉᚆᚈᚏᚓᚐᚇ᚜ | UH-htray-uhd | octet | gaelspellFoclóirTeanglann | |
| oirfide | ᚛ᚑᚔᚏᚃᚔᚇᚓ᚜ | IH-rfuh-duh | minstrelsy | WiktionarygaelspellFoclóir | From , from . |
| olldord | ᚛ᚑᚂᚂᚇᚑᚏᚇ᚜ | UH-llduhrd | double bass | WiktionarygaelspellFoclóir | |
| operetta | ᚛ᚑᚚᚓᚏᚓᚈᚈᚐ᚜ | UH-puh-ruh-ttuh | operetta | FoclóirTeanglann | |
| orgán | ᚛ᚑᚏᚌᚐᚅ᚜ | UH-rgawn | organ | WiktionarygaelspellFoclóirTeanglann | |
| óbó | ᚛ᚑᚁᚑ᚜ | OH-boh | oboe | WiktionarygaelspellFoclóirTeanglann |
Mythology
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| Ogma | ᚛ᚑᚌᚋᚐ᚜ | UG-muh | ogmaTuatha Dé DananndeityOld Irish | CELT — Lebor Gabála | Ogma — god of eloquence and writing. Said to have invented the Ogham script (named for him). Tuatha Dé Danann. |
| oidhe | ᚛ᚑᚔᚇᚆᚓ᚜ | IH-yuh | a tragic tale | WiktionarygaelspellFoclóir | |
| oirfideach | ᚛ᚑᚔᚏᚃᚔᚇᚓᚐᚉᚆ᚜ | UR-fij-ukh | entertainerOld Irish | WiktionarygaelspellFoclóirTeanglann | Musician, entertainer (medieval Irish). Below the file (poet) in status. |
| Oisín | ᚛ᚑᚔᚄᚔᚅ᚜ | USH-een | oisínFenian CycleheroOld Irish | WiktionaryTatoebagaelspellCELT — Acallam | Son of Fionn mac Cumhaill, poet of the Fianna. Spent three centuries with Niamh in Tír na nÓg. |
| ollamh | ᚛ᚑᚂᚂᚐᚋᚆ᚜ | UL-uv | ollamh | WiktionaryTatoebagaelspellFoclóir | Ollamh — the highest grade of file. Twelve years of training; ranked equal to a king. Already in batch 4 as ‘professor’; here in original mythology sense. |
| ollphanda | ᚛ᚑᚂᚂᚚᚆᚐᚅᚇᚐ᚜ | UH-llfuh-nduh | giant panda | WiktionarygaelspellFoclóir | |
| ollphláinéad | ᚛ᚑᚂᚂᚚᚆᚂᚐᚔᚅᚓᚐᚇ᚜ | UH-llflaw-uh-nay-uhd | giant planet | WiktionaryFoclóir | |
| Ollphéist | ᚛ᚑᚂᚂᚚᚆᚓᚔᚄᚈ᚜ | UL-faysht | great wormcreature | gaelspellFoclóir | Ollphéist — ‘great worm.’ Sea or lake monster of folklore. |
| ollphéist uisce | ᚛ᚑᚂᚂᚚᚆᚓᚔᚄᚈ ᚒᚔᚄᚉᚓ᚜ | UH-llfay-uhsht IH-shkuh | kelpie | FoclóirTeanglann |
Nature
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| obsaidian | ᚛ᚑᚁᚄᚐᚔᚇᚔᚐᚅ᚜ | UH-bsuh-uh-dee-uhn | obsidian | gaelspellFoclóirTeanglann | |
| oighear | ᚛ᚑᚔᚌᚆᚓᚐᚏ᚜ | EYE-ur | ice | WiktionaryTatoebagaelspellGrimoire XI.12 | Ice. |
| oileán | ᚛ᚑᚔᚂᚓᚐᚅ᚜ | IL-awn | island | WiktionaryTatoebagaelspellGrimoire XI.12 | Island. |
| oileán tráchta | ᚛ᚑᚔᚂᚓᚐᚅ ᚈᚏᚐᚉᚆᚈᚐ᚜ | IL-awn TRAW-khtuh | traffic island | WiktionaryFoclóir | |
| oinisc | ᚛ᚑᚔᚅᚔᚄᚉ᚜ | IH-nuhshk | onyx | gaelspellFoclóirTeanglann | |
| oirear | ᚛ᚑᚔᚏᚓᚐᚏ᚜ | IH-rar | coast | WiktionarygaelspellFoclóirTeanglann | |
| oisre síl | ᚛ᚑᚔᚄᚏᚓ ᚄᚔᚂ᚜ | IH-shruh SHEEL | seed oyster | WiktionaryFoclóir | |
| ospidéal machaire | ᚛ᚑᚄᚚᚔᚇᚓᚐᚂ ᚋᚐᚉᚆᚐᚔᚏᚓ᚜ | UH-shpuh-day-uhl MAH-khuh-uh-ruh | field hospital | WiktionaryFoclóir | |
| ópal | ᚛ᚑᚚᚐᚂ᚜ | OH-puhl | opal | WiktionarygaelspellFoclóirTeanglann | |
| órchloch | ᚛ᚑᚏᚉᚆᚂᚑᚉᚆ᚜ | OH-rkhluhkh | philosopher’s stone | WiktionarygaelspellFoclóir | |
| ózón | ᚛ᚑᚑᚅ᚜ | OH-zohn | ozone | gaelspellFoclóirTeanglann |
Numbers
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| ocht | ᚛ᚑᚉᚆᚈ᚜ | UHKHT | eight- | WiktionaryTatoebagaelspellFoclóir | |
| ochtar | ᚛ᚑᚉᚆᚈᚐᚏ᚜ | UH-khtuhr | a group of eight people | WiktionarygaelspellFoclóir | |
| ochtó | ᚛ᚑᚉᚆᚈᚑ᚜ | UKH-toh | eighty | WiktionarygaelspellFoclóirTeanglann | Eighty. |
| ochtú | ᚛ᚑᚉᚆᚈᚒ᚜ | UKH-too | eighth | WiktionarygaelspellFoclóirTeanglann | Eighth. |
| orduimhir | ᚛ᚑᚏᚇᚒᚔᚋᚆᚔᚏ᚜ | UH-rdih-vuhr | ordinal number | WiktionarygaelspellFoclóir |
People & Family
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| oide faoistine | ᚛ᚑᚔᚇᚓ ᚃᚐᚑᚔᚄᚈᚔᚅᚓ᚜ | IH-duh FEE-uh-shtuh-nuh | father confessor | WiktionaryFoclóir | |
| oidhre | ᚛ᚑᚔᚇᚆᚏᚓ᚜ | IH-yruh | heir | WiktionarygaelspellFoclóirTeanglann | |
| oidhreacht | ᚛ᚑᚔᚇᚆᚏᚓᚐᚉᚆᚈ᚜ | IH-yrakht | inheritance | WiktionarygaelspellFoclóirTeanglann | |
| ógbhean | ᚛ᚑᚌᚁᚆᚓᚐᚅ᚜ | OH-gvan | young woman | WiktionarygaelspellFoclóir | |
| ógfhear | ᚛ᚑᚌᚃᚆᚓᚐᚏ᚜ | OH-gar | young man | WiktionarygaelspellFoclóir | |
| ógán | ᚛ᚑᚌᚐᚅ᚜ | OH-gawn | young man | WiktionarygaelspellFoclóir | From , from . . |
Place Names of Ireland
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| Oileáin Árann | ᚛ᚑᚔᚂᚓᚐᚔᚅ ᚐᚏᚐᚅᚅ᚜ | il-AWN AW-runn | aran islands | Logainm | The Aran Islands — three islands off the Galway coast (Inis Mór, Inis Meáin, Inis Oírr); a Gaeltacht stronghold. |
Place-name Elements
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| odhar | ᚛ᚑᚇᚆᚐᚏ᚜ | UH-ghuhr | dun | WiktionarygaelspellLogainm |
Plants & Trees
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| ológ | ᚛ᚑᚂᚑᚌ᚜ | UH-lohg | olive | WiktionarygaelspellFoclóirTeanglann | |
| oragán | ᚛ᚑᚏᚐᚌᚐᚅ᚜ | UH-ruh-gawn | oregano | gaelspellFoclóir | |
| oragán cumhra | ᚛ᚑᚏᚐᚌᚐᚅ ᚉᚒᚋᚆᚏᚐ᚜ | UH-ruh-gawn KOO-ruh | marjoram | FoclóirTeanglann |
Politics & Government
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| oifigeach | ᚛ᚑᚔᚃᚔᚌᚓᚐᚉᚆ᚜ | IH-fuh-gakh | officer | WiktionarygaelspellFoclóirTeanglann | |
| olagarcacht | ᚛ᚑᚂᚐᚌᚐᚏᚉᚐᚉᚆᚈ᚜ | UH-luh-guh-rkuhkht | oligarchy | WiktionarygaelspellFoclóirTeanglann |
Prepositions
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| os coinne | ᚛ᚑᚄ ᚉᚑᚔᚅᚅᚓ᚜ | UHS KIH-nnuh | opposite | WiktionaryFoclóirTeanglann | |
| os comhair | ᚛ᚑᚄ ᚉᚑᚋᚆᚐᚔᚏ᚜ | UHS KOH-UH-uhr | in front of | WiktionaryFoclóir | |
| ó | ᚛ᚑ᚜ | OH | from | TatoebagaelspellGrimoire XI.6 | From or since. Used for source and time. |
Pronouns & Possessives
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| oraibh | ᚛ᚑᚏᚐᚔᚁᚆ᚜ | UH-ruh-uhv | : on you | WiktionaryTatoebagaelspellFoclóir | |
| oraibhse | ᚛ᚑᚏᚐᚔᚁᚆᚄᚓ᚜ | UH-ruh-uh-vshuh | : on you | WiktionarygaelspellFoclóir | |
| orainn | ᚛ᚑᚏᚐᚔᚅᚅ᚜ | UH-ruh-uhnn | : on us | WiktionarygaelspellFoclóir | |
| orainne | ᚛ᚑᚏᚐᚔᚅᚅᚓ᚜ | UH-ruh-uh-nnuh | : on us | WiktionarygaelspellFoclóir | |
| orm | ᚛ᚑᚏᚋ᚜ | UHRM | : on me | WiktionaryTatoebagaelspellFoclóir | From . Cognates include and . |
| ort | ᚛ᚑᚏᚈ᚜ | UHRT | : on you | WiktionaryTatoebagaelspellFoclóir | |
| orthu | ᚛ᚑᚏᚈᚆᚒ᚜ | UH-rhuh | : on them | WiktionaryTatoebagaelspellFoclóir | From , and . |
| orthusan | ᚛ᚑᚏᚈᚆᚒᚄᚐᚅ᚜ | UH-rhuh-suhn | : on them | WiktionarygaelspellFoclóir |
Proper Names
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| Ocsatánais | ᚛ᚑᚉᚄᚐᚈᚐᚅᚐᚔᚄ᚜ | UH-ksuh-taw-nuh-uhsh | occitan | WiktionaryFoclóir | From + . |
| Oileán Úr | ᚛ᚑᚔᚂᚓᚐᚅ ᚒᚏ᚜ | IL-awn OOR | the new world | WiktionaryFoclóir | |
| Oireachtas | ᚛ᚑᚔᚏᚓᚐᚉᚆᚈᚐᚄ᚜ | IH-ra-khtuhs | the parliament of ireland | WiktionarygaelspellFoclóir | From , derived from . |
| Ollainnis | ᚛ᚑᚂᚂᚐᚔᚅᚅᚔᚄ᚜ | UH-lluh-uh-nnuhsh | the dutch language | WiktionarygaelspellFoclóir | |
| Oranócó | ᚛ᚑᚏᚐᚅᚑᚉᚑ᚜ | UH-ruh-noh-koh | the orinoco | WiktionarygaelspellFoclóir | |
| Ostair | ᚛ᚑᚄᚈᚐᚔᚏ᚜ | UH-stuh-uhr | austria | ApertiumgaelspellFoclóir | |
| Oíche Fhéile Eoin | ᚛ᚑᚔᚉᚆᚓ ᚃᚆᚓᚔᚂᚓ ᚓᚑᚔᚅ᚜ | EE-huh AY-uh-luh OH-uhn | midsummer night | WiktionaryFoclóir | |
| Oíche na Gloine Briste | ᚛ᚑᚔᚉᚆᚓ ᚅᚐ ᚌᚂᚑᚔᚅᚓ ᚁᚏᚔᚄᚈᚓ᚜ | EE-huh NAH GLIH-nuh BRIH-shtuh | kristallnacht | WiktionaryFoclóir | |
| Ó Brian | ᚛ᚑ ᚁᚏᚔᚐᚅ᚜ | oh BREE-un | o’brienOld Irish | eDIL | O’Brien. Descendants of Brian Ború, High King of Ireland (d. 1014). |
| Ó Connaill | ᚛ᚑ ᚉᚑᚅᚅᚐᚔᚂᚂ᚜ | oh KUN-il | o’connell | Foclóir | O’Connell. Daniel O’Connell — ‘the Liberator,’ won Catholic Emancipation 1829. |
| Ó Donnchadha | ᚛ᚑ ᚇᚑᚅᚅᚉᚆᚐᚇᚆᚐ᚜ | oh DUN-uh-khuh | o’donoghue | Foclóir | O’Donoghue. |
| Ó Maoldomhnaigh | ᚛ᚑ ᚋᚐᚑᚂᚇᚑᚋᚆᚅᚐᚔᚌᚆ᚜ | oh MWEEL-DOW-nee | maloney | Foclóir | An Irish surname — ‘descendant of Maoldomhnaigh’ (devotee of Sunday). Anglicised as Maloney, Mulvaney, etc. |
| Ó Mathúna | ᚛ᚑ ᚋᚐᚈᚆᚒᚅᚐ᚜ | oh muh-HOO-nuh | o’mahony | Foclóir | O’Mahony. From Mathghamhain (bear). |
| Ó Néill | ᚛ᚑ ᚅᚓᚔᚂᚂ᚜ | oh NAYL | o’neillOld Irish | eDIL | O’Neill. ‘Descendant of Niall’ (probably Niall of the Nine Hostages). The Uí Néill dynasty dominated Ulster for centuries. |
| Ó Súilleabháin | ᚛ᚑ ᚄᚒᚔᚂᚂᚓᚐᚁᚆᚐᚔᚅ᚜ | oh SOOL-uh-vawn | o’sullivan | Foclóir | O’Sullivan. From súil (eye); ‘descendant of the dark-eyed one.’ Common Munster surname. |
| Óglaigh na hÉireann | ᚛ᚑᚌᚂᚐᚔᚌᚆ ᚅᚐ ᚆᚓᚔᚏᚓᚐᚅᚅ᚜ | OH-gluh-uhy NAH HAY-uh-rann | 1913–19 | WiktionaryFoclóir | |
| Óidin | ᚛ᚑᚔᚇᚔᚅ᚜ | OH-uh-duhn | odin | WiktionaryFoclóir | |
| Órfhlaith | ᚛ᚑᚏᚃᚆᚂᚐᚔᚈᚆ᚜ | OH-rluh-uhh | anglicized as orla | WiktionarygaelspellFoclóir |
Psychology & Personality
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| oibiachtúlacht | ᚛ᚑᚔᚁᚔᚐᚉᚆᚈᚒᚂᚐᚉᚆᚈ᚜ | IH-bee-uh-khtoo-luhkht | objectivity | WiktionarygaelspellFoclóirTeanglann | |
| othar cónaitheach | ᚛ᚑᚈᚆᚐᚏ ᚉᚑᚅᚐᚔᚈᚆᚓᚐᚉᚆ᚜ | UH-huhr KOH-nuh-uh-hakh | in-patient | Foclóir |
Religion & Spirituality
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| oilithreach | ᚛ᚑᚔᚂᚔᚈᚆᚏᚓᚐᚉᚆ᚜ | IH-luh-hrakh | pilgrim | gaelspellFoclóirTeanglann | |
| ola dhéanach | ᚛ᚑᚂᚐ ᚇᚆᚓᚐᚅᚐᚉᚆ᚜ | UH-luh YAY-uh-nuhkh | extreme unction | Foclóir | |
| olladhlacadh | ᚛ᚑᚂᚂᚐᚇᚆᚂᚐᚉᚐᚇᚆ᚜ | UH-lleye-luh-keye | mass burial | WiktionaryFoclóir | |
| olliompar | ᚛ᚑᚂᚂᚔᚑᚋᚚᚐᚏ᚜ | UH-lluh-uh-mpuhr | mass transit | WiktionaryFoclóir | |
| olltáirg | ᚛ᚑᚂᚂᚈᚐᚔᚏᚌ᚜ | UH-lltaw-uhrg | mass-produce | gaelspellFoclóir | |
| olltáirgthe | ᚛ᚑᚂᚂᚈᚐᚔᚏᚌᚈᚆᚓ᚜ | UH-lltaw-uh-rghuh | mass-produced | gaelspellFoclóir | |
| oracal | ᚛ᚑᚏᚐᚉᚐᚂ᚜ | UH-ruh-kuhl | oracle | gaelspellFoclóirTeanglann | |
| ord coisricthe | ᚛ᚑᚏᚇ ᚉᚑᚔᚄᚏᚔᚉᚈᚆᚓ᚜ | UHRD KIH-shruh-khuh | holy orders | Foclóir | |
| oráid | ᚛ᚑᚏᚐᚔᚇ᚜ | UH-raw-uhd | prayer | WiktionarygaelspellFoclóirTeanglann | From (compare ), from . |
| ó Dhia | ᚛ᚑ ᚇᚆᚔᚐ᚜ | OH YEE-UH | heaven-sent | Foclóir | |
| ómósach | ᚛ᚑᚋᚑᚄᚐᚉᚆ᚜ | OH-moh-suhkh | reverent | WiktionarygaelspellFoclóirTeanglann | |
| óráidíocht | ᚛ᚑᚏᚐᚔᚇᚔᚑᚉᚆᚈ᚜ | OH-raw-uh-dee-uhkht | oratory | WiktionarygaelspellFoclóirTeanglann |
Saints & Feast Days
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| oilithreacht | ᚛ᚑᚔᚂᚔᚈᚆᚏᚓᚐᚉᚆᚈ᚜ | IH-luh-hrakht | pilgrimage | WiktionarygaelspellFoclóirTeanglann | |
| Oíche Nollag | ᚛ᚑᚔᚉᚆᚓ ᚅᚑᚂᚂᚐᚌ᚜ | EE-huh NUH-lluhg | christmas eve | WiktionaryFoclóir |
Senses & Perception
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| oireacht | ᚛ᚑᚔᚏᚓᚐᚉᚆᚈ᚜ | IH-rakht | patrimony | WiktionaryFoclóir | From , from , of uncertain etymology; see the Proto-Celtic entry for more. |
Specialized Vocabulary
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| oirbheartaíocht | ᚛ᚑᚔᚏᚁᚆᚓᚐᚏᚈᚐᚔᚑᚉᚆᚈ᚜ | IH-rva-rtee-uhkht | tactics | WiktionarygaelspellFoclóirTeanglann | |
| ollsmachtach | ᚛ᚑᚂᚂᚄᚋᚐᚉᚆᚈᚐᚉᚆ᚜ | UH-llsmuh-khtuhkh | totalitarian | gaelspellFoclóirTeanglann | |
| ollsmachtachas | ᚛ᚑᚂᚂᚄᚋᚐᚉᚆᚈᚐᚉᚆᚐᚄ᚜ | UH-llsmuh-khtuh-khuhs | totalitarianism | gaelspellFoclóirTeanglann | |
| ordanás | ᚛ᚑᚏᚇᚐᚅᚐᚄ᚜ | UH-rduh-naws | ordnance | gaelspellFoclóirTeanglann |
Sport & Games
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| oiliúint | ᚛ᚑᚔᚂᚔᚒᚔᚅᚈ᚜ | IH-luh-oo-uhnt | training | WiktionarygaelspellFoclóirTeanglann |
Time & Calendar
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| oighearaois | ᚛ᚑᚔᚌᚆᚓᚐᚏᚐᚑᚔᚄ᚜ | IH-ya-ree-uhsh | ice age | WiktionarygaelspellFoclóir | |
| orláiste | ᚛ᚑᚏᚂᚐᚔᚄᚈᚓ᚜ | UH-rlaw-uh-shtuh | hourglass | gaelspellFoclóirTeanglann | |
| oíche mhaith agaibh | ᚛ᚑᚔᚉᚆᚓ ᚋᚆᚐᚔᚈᚆ ᚐᚌᚐᚔᚁᚆ᚜ | EE-huh WAH-uhh AH-guh-uhv | good night | WiktionaryFoclóir | |
| oíche mhaith agat | ᚛ᚑᚔᚉᚆᚓ ᚋᚆᚐᚔᚈᚆ ᚐᚌᚐᚈ᚜ | EE-huh WAH-uhh AH-guht | good night | WiktionaryFoclóir | |
| Oíche Shamhna | ᚛ᚑᚔᚉᚆᚓ ᚄᚆᚐᚋᚆᚅᚐ᚜ | EE-huh HOW-nuh | halloween | WiktionaryFoclóirTeanglann | Halloween — literally ‘Samhain Eve.’ The night when the veil between worlds is thinnest. The origin of Halloween is the Celtic Samhain. |
| ó cheann ceann na bliana | ᚛ᚑ ᚉᚆᚓᚐᚅᚅ ᚉᚓᚐᚅᚅ ᚅᚐ ᚁᚂᚔᚐᚅᚐ᚜ | OH HANN KANN NAH BLEE-UH-nuh | all-year-round | Foclóir | |
| ó dhubh go dubh | ᚛ᚑ ᚇᚆᚒᚁᚆ ᚌᚑ ᚇᚒᚁᚆ᚜ | OH GHOO GUH DOO | dawn-to-dusk | Foclóir | |
| Ó shin | ᚛ᚑ ᚄᚆᚔᚅ᚜ | oh SHIN | back then | WiktionaryFoclóir | Since then; back then. Ó shin i leith — from then on. |
Tools & Crafts
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| obair choirníní | ᚛ᚑᚁᚐᚔᚏ ᚉᚆᚑᚔᚏᚅᚔᚅᚔ᚜ | UH-buh-uhr KHIH-rnee-nee | beadwork | Foclóir | |
| obair phaistí | ᚛ᚑᚁᚐᚔᚏ ᚚᚆᚐᚔᚄᚈᚔ᚜ | UH-buh-uhr FAH-uh-shtee | patchwork | FoclóirTeanglann | |
| olann | ᚛ᚑᚂᚐᚅᚅ᚜ | UL-un | wool | WiktionarygaelspellFoclóirTeanglann | Wool. Ireland’s textile foundation. |
Travel & Tourism
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| óstán cois bóthair | ᚛ᚑᚄᚈᚐᚅ ᚉᚑᚔᚄ ᚁᚑᚈᚆᚐᚔᚏ᚜ | OH-stawn KIHSH BOH-huh-uhr | motel | Foclóir |
Weather
Work & Professions
| Irish | Ogham | Pronunciation | English | Source | Note |
|---|---|---|---|---|---|
| obstatraí | ᚛ᚑᚁᚄᚈᚐᚈᚏᚐᚔ᚜ | UH-bstuh-tree | obstetrician | FoclóirTeanglann | |
| oibritheoir | ᚛ᚑᚔᚁᚏᚔᚈᚆᚓᚑᚔᚏ᚜ | IH-bruh-hoh-uhr | operator | gaelspellFoclóirTeanglann | |
| oifigeach feidhmiúcháin | ᚛ᚑᚔᚃᚔᚌᚓᚐᚉᚆ ᚃᚓᚔᚇᚆᚋᚔᚒᚉᚆᚐᚔᚅ᚜ | IH-fuh-gakh FEH-uh-ymuh-oo-khaw-uhn | executive officer | WiktionaryFoclóir |
O in An Aibítir
The letter O (onn, the gorse / furze) is one of the eighteen letters featured in An Aibítir, our forthcoming Irish-alphabet coloring book for ages 4–7. Each letter gets its own page with a hand-drawn illustration, the Irish letter-name, and a starter word a child can read aloud.