| English | eng-000 |
| o | |
| toskërishte | als-000 | moj |
| toskërishte | als-000 | mor |
| toskërishte | als-000 | o |
| Englisce sprǣc | ang-000 | eala |
| Englisce sprǣc | ang-000 | þæs |
| العربية | arb-000 | أَيُّهَا |
| العربية | arb-000 | أُوه |
| العربية | arb-000 | يَا |
| U+ | art-254 | 6232 |
| Lingwa de Planeta | art-287 | oo |
| català | cat-000 | o |
| čeština | ces-000 | nula |
| čeština | ces-000 | o |
| 普通话 | cmn-000 | 二甲基硫代磷酰酯 |
| 普通话 | cmn-000 | 啊 |
| 普通话 | cmn-000 | 喔 |
| 普通话 | cmn-000 | 噢 |
| 普通话 | cmn-000 | 精酰胺 |
| 國語 | cmn-001 | 啊 |
| 國語 | cmn-001 | 喔 |
| 國語 | cmn-001 | 噢 |
| 國語 | cmn-001 | 戲 |
| Hànyǔ | cmn-003 | hu1 |
| Middle Cornish | cnx-000 | a |
| Kernowek | cor-000 | a |
| Deutsch | deu-000 | Bombenexplosion |
| Deutsch | deu-000 | o |
| Chʼoltíʼ | emy-000 | ti |
| English | eng-000 | O |
| English | eng-000 | ah |
| English | eng-000 | at |
| English | eng-000 | by |
| English | eng-000 | halloo |
| English | eng-000 | in |
| English | eng-000 | o-dime thyl phosphoroamidothioate |
| English | eng-000 | o-dimethyl phosphoroamido-thioate |
| English | eng-000 | oh |
| English | eng-000 | sir |
| English | eng-000 | with |
| Esperanto | epo-000 | o |
| suomi | fin-000 | O |
| suomi | fin-000 | o |
| suomi | fin-000 | oo |
| français | fra-000 | O |
| français | fra-000 | o |
| français | fra-000 | zéro |
| français | fra-000 | ô |
| Gaeilge | gle-000 | a |
| Gaeilge | gle-000 | onn |
| Gaeilge | gle-000 | ó |
| galego | glg-000 | o |
| Gutiska razda | got-002 | O |
| Gutiska razda | got-002 | Sai |
| ἑλληνικὴ γλῶττα | grc-000 | ὦ |
| ʻōlelo Hawaiʻi | haw-000 | ē |
| ʻōlelo Hawaiʻi | haw-000 | ē ... ē |
| ʻōlelo Hawaiʻi | haw-000 | ʻŌ |
| ʻōlelo Hawaiʻi | haw-000 | ʻō |
| हिन्दी | hin-000 | अजी |
| हिन्दी | hin-000 | अरे |
| हिन्दी | hin-000 | ओ |
| हिन्दी | hin-000 | ओह! |
| हिन्दी | hin-000 | हे |
| hrvatski | hrv-000 | koliko je sati |
| hrvatski | hrv-000 | o |
| bahasa Indonesia | ind-000 | laden |
| bahasa Indonesia | ind-000 | swakarsa |
| íslenska | isl-000 | o |
| italiano | ita-000 | - |
| italiano | ita-000 | o |
| italiano | ita-000 | zero |
| Iu Mienh | ium-000 | ko⁵ |
| Loglan | jbo-001 | ofi |
| 日本語 | jpn-000 | ああ |
| 日本語 | jpn-000 | ねえ |
| 日本語 | jpn-000 | ふむふむ |
| 日本語 | jpn-000 | オウ |
| 日本語 | jpn-000 | ゼロ |
| 日本語 | jpn-000 | ゼロ記号 |
| にほんご | jpn-002 | ゼロきごう |
| 한국어 | kor-000 | 어 |
| 한국어 | kor-000 | 영자형 |
| 한국어 | kor-000 | 영자형의 것 |
| 한국어 | kor-000 | 영형 |
| 한국어 | kor-000 | 오 |
| ລາວ | lao-000 | ໂອ |
| latine | lat-000 | ō |
| मराठी | mar-000 | ओ |
| Nederlands | nld-000 | mede |
| Nederlands | nld-000 | o |
| Nederlands | nld-000 | ook |
| Nederlands | nld-000 | te |
| Old Cornish | oco-000 | a |
| فارسی | pes-000 | الا |
| فارسی | pes-000 | ای |
| فارسی | pes-000 | ایا |
| فارسی | pes-000 | ایها |
| فارسی | pes-000 | یا |
| فارسی | pes-000 | یاهو |
| português | por-000 | o |
| português | por-000 | ó |
| Romanova | rmv-000 | o |
| русский | rus-000 | ах |
| русский | rus-000 | ничто |
| русский | rus-000 | о |
| русский | rus-000 | о́у |
| русский | rus-000 | происходящий из... |
| русский | rus-000 | происхождение |
| русский | rus-000 | час |
| संस्कृतम् | san-000 | भोस् |
| lingua siciliana | scn-000 | O - - - - - - - - |
| slovenčina | slk-000 | o |
| slovenščina | slv-000 | O |
| slovenščina | slv-000 | o |
| español | spa-000 | O |
| español | spa-000 | OR |
| español | spa-000 | Po |
| español | spa-000 | con |
| español | spa-000 | concerniente a |
| español | spa-000 | dentro |
| español | spa-000 | en |
| español | spa-000 | para |
| svenska | swe-000 | bombexplosion |
| ภาษาไทย | tha-000 | o |
| ภาษาไทย | tha-000 | ตัวโอ |
| ภาษาไทย | tha-000 | พยัญชนะภาษาอังกฤษตัวที่ 15 |
| ภาษาไทย | tha-000 | พยัญชนะอังกฤษตัวที่15 |
| ภาษาไทย | tha-000 | โอ |
| Türkçe | tur-000 | O şeklinde şey |
| Türkçe | tur-000 | ey |
| Türkçe | tur-000 | o |
| Türkçe | tur-000 | oksijen |
| Türkçe | tur-000 | sıfır |
| українська | ukr-000 | о |
| اردو | urd-000 | ارے |
| tiếng Việt | vie-000 | a |
| tiếng Việt | vie-000 | hình O |
| tiếng Việt | vie-000 | hình tròn |
| tiếng Việt | vie-000 | o |
| tiếng Việt | vie-000 | ồ |
| Emakhua | vmw-000 | i-yoott |
| Emakhua | vmw-000 | u-venekula |
| Emakhua | vmw-000 | venekula |
| Emakhua | vmw-000 | yoott |
| Nourmaund | xno-000 | o |
| Bahasa Malaysia | zsm-000 | o |