| English | eng-000 | Old Dominion State |
| suomi | fin-000 | Old Dominion State |
| bahasa Indonesia | ind-000 | Old Dominion State |
| Bahasa Malaysia | zsm-000 | Old Dominion State |
| Deutsch | deu-000 | Old Dominion University |
| English | eng-000 | Old Dominion University |
| English | eng-000 | Old Dongola |
| English | eng-000 | old Dragon |
| English | eng-000 | old drift |
| English | eng-000 | old dug-out |
| ISO 639-3 Reference Names | art-289 | Old Dutch |
| ISO 639-3 Print Names | art-290 | Old Dutch |
| Glottolog Languoid Names | art-326 | Old Dutch |
| English | eng-000 | Old Dutch |
| English | eng-000 | Old Dutch Capuchine |
| English | eng-000 | old Dutch capuchine |
| English | eng-000 | Old Dutch Tumbler |
| English | eng-000 | old Dutch tumbler |
| Cymraeg | cym-000 | ôlddyddio |
| Cymraeg | cym-000 | ôl-ddyled |
| euskara | eus-000 | -olde |
| Englisch | enm-000 | old-e |
| English | eng-000 | olde |
| euskara | eus-000 | olde |
| Novial | nov-000 | olde |
| Tok Pisin | tpi-000 | olde |
| bokmål | nob-000 | olde- |
| Glottocode | art-327 | olde1238 |
| Glottocode | art-327 | olde1239 |
| Esperanto | epo-000 | oldea poŝsoriko |
| asturianu | ast-000 | oldear |
| English | eng-000 | Old East |
| English | eng-000 | Old East Slavic |
| Baadi | bcj-000 | oldebal |
| dansk | dan-000 | oldebarn |
| nynorsk | nno-000 | oldebarn |
| bokmål | nob-000 | oldebarn |
| Esperanto | epo-000 | Oldeberkoop |
| Nederlands | nld-000 | Oldeberkoop |
| Nederlands | nld-000 | Oldeboorn |
| Deutsch | deu-000 | Oldebroek |
| English | eng-000 | Oldebroek |
| Esperanto | epo-000 | Oldebroek |
| français | fra-000 | Oldebroek |
| italiano | ita-000 | Oldebroek |
| Limburgs | lim-000 | Oldebroek |
| Nedersaksisch | nds-001 | Oldebroek |
| Nederlands | nld-000 | Oldebroek |
| svenska | swe-000 | Oldebroek |
| Volapük | vol-000 | Oldebroek |
| Karahanlı Türkçesi | otk-001 | öldeci |
| English | eng-000 | Olde City |
| Esperanto | epo-000 | oldeco |
| English | eng-000 | Old Economy |
| English | eng-000 | old ectopic pregnancy |
| bokmål | nob-000 | oldedatter |
| English | eng-000 | old edition |
| English | eng-000 | Old Edwardians |
| Nederlands | nld-000 | Old Edwardians |
| Deutsch | deu-000 | Olde English Bulldogge |
| English | eng-000 | Olde English Bulldogge |
| dansk | dan-000 | oldefar |
| nynorsk | nno-000 | oldefar |
| bokmål | nob-000 | oldefar |
| nynorsk | nno-000 | oldeforelder |
| bokmål | nob-000 | oldeforelder |
| nynorsk | nno-000 | oldeforeldre |
| bokmål | nob-000 | oldeforeldre |
| dansk | dan-000 | oldeforælder |
| dansk | dan-000 | oldeforældre |
| magyar | hun-000 | old egy csavart |
| English | eng-000 | Old Egyptian |
| dansk | dan-000 | oldegyptisk |
| Esperanto | epo-000 | Oldeholtpade |
| Nederlands | nld-000 | Oldeholtpade |
| Deutsch | deu-000 | Oldehove |
| English | eng-000 | Oldehove |
| Esperanto | epo-000 | Oldehove |
| euskara | eus-000 | Oldehove |
| Nederlands | nld-000 | Oldehove |
| euskara | eus-000 | oldei |
| Kriol | rop-000 | oldei |
| bokmål | nob-000 | Oldeide |
| davvisámegiella | sme-000 | Oldeide |
| julevsámegiella | smj-000 | Oldeide |
| Nedersaksisch | nds-001 | Olde Iessel |
| Nedersaksisch | nds-001 | Olde Iesselstreek |
| latviešu | lvs-000 | oldējēji |
| latviešu | lvs-000 | oldējējs |
| Esperanto | epo-000 | Oldekerk |
| Nederlands | nld-000 | Oldekerk |
| Esperanto | epo-000 | Oldelamer |
| Nederlands | nld-000 | Oldelamer |
| English | eng-000 | Old Elamite |
| Deutsch | deu-000 | Old Eldon |
| English | eng-000 | Old Eldon |
| English | eng-000 | Old El Paso |
| français | fra-000 | Old El Paso |
| Kriol | rop-000 | olde lukabat gula |
| Achterhoeks | act-000 | Oldeluu |
| Englisch | enm-000 | olde man |
| Esperanto | epo-000 | Oldemarkt |
| Nederlands | nld-000 | Oldemarkt |
| português | por-000 | Oldemburgo |
| dansk | dan-000 | oldemoder |
| dansk | dan-000 | oldemor |
| nynorsk | nno-000 | oldemor |
| bokmål | nob-000 | oldemor |
| dansk | dan-000 | Olden |
| English | eng-000 | Olden |
| français | fra-000 | Olden |
| nynorsk | nno-000 | Olden |
| bokmål | nob-000 | Olden |
| åarjelsaemiengïele | sma-000 | Olden |
| davvisámegiella | sme-000 | Olden |
| julevsámegiella | smj-000 | Olden |
| Universal Networking Language | art-253 | olden |
| dansk | dan-000 | olden |
| English | eng-000 | olden |
| bokmål | nob-000 | olden |
| dansk | dan-000 | Oldenborgske slægt |
| dansk | dan-000 | oldenborre |
| nynorsk | nno-000 | oldenborre |
| bokmål | nob-000 | oldenborre |
| bokmål | nob-000 | oldenborrer |
| Deutsch | deu-000 | Oldenborstel |
| English | eng-000 | Oldenborstel |
| Esperanto | epo-000 | Oldenborstel |
| italiano | ita-000 | Oldenborstel |
| Nederlands | nld-000 | Oldenborstel |
| română | ron-000 | Oldenborstel |
| Türkçe | tur-000 | Oldenborstel |
| Volapük | vol-000 | Oldenborstel |
| français | fra-000 | Oldenbourg |
| français | fra-000 | oldenbourg |
| Hangungmal | kor-001 | Oldenbureukeu |
| russkij | rus-001 | Ol'denburg |
| bălgarski ezik | bul-001 | Oldenburg |
| čeština | ces-000 | Oldenburg |
| dansk | dan-000 | Oldenburg |
| Deutsch | deu-000 | Oldenburg |
| eesti | ekk-000 | Oldenburg |
| English | eng-000 | Oldenburg |
| Esperanto | epo-000 | Oldenburg |
| suomi | fin-000 | Oldenburg |
| français | fra-000 | Oldenburg |
| bahasa Indonesia | ind-000 | Oldenburg |
| italiano | ita-000 | Oldenburg |
| lengua lumbarda | lmo-000 | Oldenburg |
| Nederlands | nld-000 | Oldenburg |
| bokmål | nob-000 | Oldenburg |
| polski | pol-000 | Oldenburg |
| português | por-000 | Oldenburg |
| română | ron-000 | Oldenburg |
| davvisámegiella | sme-000 | Oldenburg |
| julevsámegiella | smj-000 | Oldenburg |
| srpski | srp-001 | Oldenburg |
| svenska | swe-000 | Oldenburg |
| Volapük | vol-000 | Oldenburg |
| Bahasa Malaysia | zsm-000 | Oldenburg |
| English | eng-000 | oldenburg |
| svenska | swe-000 | Oldenburgare |
| English | eng-000 | Oldenburg Baby |
| Deutsch | deu-000 | Oldenburger |
| bokmål | nob-000 | Oldenburger |
| Deutsch | deu-000 | oldenburger |
| English | eng-000 | oldenburger |
| Deutsch | deu-000 | Oldenburger Baby |
| Deutsch | deu-000 | Oldenburger Münsterland |
| English | eng-000 | Oldenburger Münsterland |
| bokmål | nob-000 | Oldenburger Münsterland |
| English | eng-000 | Oldenburg horse |
| Kartuli | kat-001 | oldenburgi |
| English | eng-000 | Oldenburgia |
| português | por-000 | Oldenburgia |
| română | ron-000 | Oldenburgia |
| eesti | ekk-000 | Oldenburgi dünastia |
| suomi | fin-000 | Oldenburginhevonen |
| Deutsch | deu-000 | Oldenburg in Holstein |
| English | eng-000 | Oldenburg in Holstein |
| Nederlands | nld-000 | Oldenburg in Holstein |
| română | ron-000 | Oldenburg in Holstein |
| Türkçe | tur-000 | Oldenburg in Holstein |
| Volapük | vol-000 | Oldenburg in Holstein |
| suomi | fin-000 | Oldenburgin suku |
| Deutsch | deu-000 | Oldenburgischer Haus- und Verdienstorden des Herzogs Peter Friedrich Ludwig |
| English | eng-000 | Oldenburg-Land |
| Esperanto | epo-000 | Oldenburgo |
| español | spa-000 | Oldenburgo |
| polski | pol-000 | Oldenburgowie |
| latine | lat-000 | Oldenburgum |
| slovenščina | slv-000 | oldenburška ljulka |
| polski | pol-000 | oldenburski |
| čeština | ces-000 | oldenburský |
| hanácké | ces-002 | oldenburský |
| slovenčina | slk-000 | oldenburský |
| Deutsch | deu-000 | Oldenbüttel |
| English | eng-000 | Oldenbüttel |
| Esperanto | epo-000 | Oldenbüttel |
| Nederlands | nld-000 | Oldenbüttel |
| română | ron-000 | Oldenbüttel |
| Türkçe | tur-000 | Oldenbüttel |
| Volapük | vol-000 | Oldenbüttel |
| Kriol | rop-000 | oldendaim |
| English | eng-000 | olden days |
| Deutsch | deu-000 | Oldendorf |
| English | eng-000 | Oldendorf |
| Esperanto | epo-000 | Oldendorf |
| italiano | ita-000 | Oldendorf |
| Nederlands | nld-000 | Oldendorf |
| română | ron-000 | Oldendorf |
| Türkçe | tur-000 | Oldendorf |
| Volapük | vol-000 | Oldendorf |
| English | eng-000 | old ends |
| English | eng-000 | old enemy |
| dansk | dan-000 | oldengelsk |
| íslenska | isl-000 | oldengelsk |
| Glottolog Languoid Names | art-326 | Old English |
| English | eng-000 | Old English |
| italiano | ita-000 | Old English |
| English | eng-000 | old English |
| English | eng-000 | Old English Black |
| svenska | swe-000 | Old English Black |
| English | eng-000 | old English bond |
| English | eng-000 | Old English Bulldog |
| ISO 639-3 Reference Names | art-289 | Old English (ca. 450-1100) |
| ISO 639-3 Print Names | art-290 | Old English (ca. 450-1100) |
| English | eng-000 | Old English Game |
| English | eng-000 | old English game |
| Universal Networking Language | art-253 | Old English(icl>language) |
| English | eng-000 | Old English language |
| English | eng-000 | Old English Sheepdog |
| português | por-000 | Old English Sheepdog |
| svenska | swe-000 | Old English Sheepdog |
| English | eng-000 | Old English sheepdog |
| bokmål | nob-000 | Old english sheepdog |
| português | por-000 | Old english sheepdog |
| svenska | swe-000 | Old english sheepdog |
| English | eng-000 | old english sheepdog |
| Deutsch | deu-000 | Oldenhütten |
| English | eng-000 | Oldenhütten |
| Esperanto | epo-000 | Oldenhütten |
| Nederlands | nld-000 | Oldenhütten |
| română | ron-000 | Oldenhütten |
| Türkçe | tur-000 | Oldenhütten |
| Volapük | vol-000 | Oldenhütten |
| Universal Networking Language | art-253 | olden(icl>adj) |
| Deutsch | deu-000 | Oldenico |
| English | eng-000 | Oldenico |
| Esperanto | epo-000 | Oldenico |
| français | fra-000 | Oldenico |
| italiano | ita-000 | Oldenico |
| napulitano | nap-000 | Oldenico |
| Nederlands | nld-000 | Oldenico |
| polski | pol-000 | Oldenico |
| português | por-000 | Oldenico |
| Volapük | vol-000 | Oldenico |
| English | eng-000 | Oldenlandia |
| Latina Nova | lat-003 | Oldenlandia |
| English | eng-000 | oldenlandia |
| français | fra-000 | oldenlandia |
| Latina Nova | lat-003 | Oldenlandia boscii |
| Latina Nova | lat-003 | Oldenlandia corymbosa |
| English | eng-000 | oldenlandia diffusa |
| English | eng-000 | oldenlandia healthy water |
| Latina Nova | lat-003 | Oldenlandia lancifolia |
| Latina Nova | lat-003 | Oldenlandia salzmannii |
| Latina Nova | lat-003 | Oldenlandia uniflora |
| English | eng-000 | Oldenlandiopsis |
| Latina Nova | lat-003 | Oldenlandiopsis |
| português | por-000 | Oldenlandiopsis |
| Latina Nova | lat-003 | Oldenlandiopsis callitrichoides |
| Uyghurche | uig-001 | oldénlandiye oti uruqdishi |
| Uyghurche | uig-001 | oldénlandiye oti yiltizi |
| English | eng-000 | old enough |
| Universal Networking Language | art-253 | old enough to be father(icl>state) |
| Universal Networking Language | art-253 | old enough to be mother(icl>occur) |
| Universal Networking Language | art-253 | old enough to be mother(icl>state) |
| English | eng-000 | old enough to be someone’s father |
| English | eng-000 | old enough to be someone’s mother |
| English | eng-000 | old enough to know better |
| Universal Networking Language | art-253 | old enough to know better(icl>sensible) |
| English | eng-000 | Olden Polynice |
| italiano | ita-000 | Olden Polynice |
| español | spa-000 | Olden Polynice |
| Plattdüütsch-Neddersassisch | nds-002 | Olden Reppin |
| Deutsch | deu-000 | Oldenswort |
| English | eng-000 | Oldenswort |
| Esperanto | epo-000 | Oldenswort |
| Nederlands | nld-000 | Oldenswort |
| română | ron-000 | Oldenswort |
| Türkçe | tur-000 | Oldenswort |
| Volapük | vol-000 | Oldenswort |
| Kriol | rop-000 | oldentaim |
| English | eng-000 | olden times |
| Deutsch | deu-000 | Oldenzaal |
| English | eng-000 | Oldenzaal |
| Esperanto | epo-000 | Oldenzaal |
| français | fra-000 | Oldenzaal |
| Frysk | fry-000 | Oldenzaal |
| italiano | ita-000 | Oldenzaal |
| Limburgs | lim-000 | Oldenzaal |
| Nederlands | nld-000 | Oldenzaal |
| română | ron-000 | Oldenzaal |
| svenska | swe-000 | Oldenzaal |
| Volapük | vol-000 | Oldenzaal |