| العربية | arb-000 |
| أوه | |
| čeština | ces-000 | o |
| English | eng-000 | debilitate |
| English | eng-000 | discourage |
| English | eng-000 | long vowel |
| English | eng-000 | moan |
| English | eng-000 | oh |
| English | eng-000 | sigh |
| English | eng-000 | weaken |
| Esperanto | epo-000 | ho |
| Esperanto | epo-000 | o |
| français | fra-000 | O |
| français | fra-000 | o |
| hiMxI | hin-004 | o |
| արևելահայերեն | hye-000 | O |
| íslenska | isl-000 | o |
| 日本語 | jpn-000 | オウ |
| 한국어 | kor-000 | 오 |
| bokmål | nob-000 | oalphabet |
| português | por-000 | ó |
| русский | rus-000 | о |
| русский | rus-000 | оу |
| svenska | swe-000 | hård vokal |
| Türkçe | tur-000 | sıfır |