6000+ language and dialects worldwide
Comprehensive list including number of speakers, countries and ISO codes
For over 99% of the 6000 languages and dialects there are today hardly any quality language learning tools available, because these languages are simply not profitable for commercial education providers.
If you happen to be a native speaker of one of these 99% less common languages then you frequently lack good tools and material for learning even major languages such as English.
Let's change this!
Let's publish the Vocabulary Trainer for every language spoken on earth, for free, with all the features.
Do you speak any of the languages or dialects below?
Just click on the link and translate a few words, we're only asking you to spend one minute of your time. For the beginner course in each language, we need translations of these 500 most frequent words:
All languages and dialects worldwide: O
| Name ▲▼ | Translation | ISO Alpha-2 ▲ | ISO Alpha-3/5 ▲▼ | Speakers worldwide ▲▼ | Countries where it is spoken | Additional language information | |
|---|---|---|---|---|---|---|---|
| Name Ogea | Translation Translate a few words in Ogea | ISO Alpha-2 No data | ISO Alpha-3/5 eri | Speakers worldwide 2200 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Old French (842-ca. 1400) | Translation Translate a few words in Old French (842-ca. 1400) | ISO Alpha-2 No data | ISO Alpha-3/5 fro | Speakers worldwide No data | No data | Additional language information wikipedia | |
| Name Old High German (ca. 750-1050) | Translation Translate a few words in Old High German (ca. 750-1050) | ISO Alpha-2 No data | ISO Alpha-3/5 goh | Speakers worldwide No data | No data | Additional language information wikipedia | |
| Name Olulumo-Ikom | Translation Translate a few words in Olulumo-Ikom | ISO Alpha-2 No data | ISO Alpha-3/5 iko | Speakers worldwide 30000 | Countries where it is spoken
| Additional language information ethnologue | |
| Name Odoodee | Translation Translate a few words in Odoodee | ISO Alpha-2 No data | ISO Alpha-3/5 kkc | Speakers worldwide 490 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Okolod | Translation Translate a few words in Okolod | ISO Alpha-2 No data | ISO Alpha-3/5 kqv | Speakers worldwide 5000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Opuuo | Translation Translate a few words in Opuuo | ISO Alpha-2 No data | ISO Alpha-3/5 lgn | Speakers worldwide 5000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Otuho | Translation Translate a few words in Otuho | ISO Alpha-2 No data | ISO Alpha-3/5 lot | Speakers worldwide 140000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Olu'bo | Translation Translate a few words in Olu'bo | ISO Alpha-2 No data | ISO Alpha-3/5 lul | Speakers worldwide 15000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Ombamba | Translation Translate a few words in Ombamba | ISO Alpha-2 No data | ISO Alpha-3/5 mbm | Speakers worldwide 25000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Ocotepec Mixtec | Translation Translate a few words in Ocotepec Mixtec | ISO Alpha-2 No data | ISO Alpha-3/5 mie | Speakers worldwide 6170 | Countries where it is spoken
| Additional language information ethnologue | |
| Name Ometepec Nahuatl | Translation Translate a few words in Ometepec Nahuatl | ISO Alpha-2 No data | ISO Alpha-3/5 nht | Speakers worldwide 430 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Orizaba Nahuatl | Translation Translate a few words in Orizaba Nahuatl | ISO Alpha-2 No data | ISO Alpha-3/5 nlv | Speakers worldwide 120000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Old Norse | Translation Translate a few words in Old Norse | ISO Alpha-2 No data | ISO Alpha-3/5 non | Speakers worldwide No data | No data | Additional language information wikipedia | |
| Name Orok | Translation Translate a few words in Orok | ISO Alpha-2 No data | ISO Alpha-3/5 oaa | Speakers worldwide 50 | No data | Additional language information wikipedia | |
| Name Oroch | Translation Translate a few words in Oroch | ISO Alpha-2 No data | ISO Alpha-3/5 oac | Speakers worldwide 8 | No data | Additional language information wikipedia | |
| Name Old Aramaic (up to 700 BCE) | Translation Translate a few words in Old Aramaic (up to 700 BCE) | ISO Alpha-2 No data | ISO Alpha-3/5 oar | Speakers worldwide No data | No data | Additional language information wikipedia | |
| Name Old Avar | Translation Translate a few words in Old Avar | ISO Alpha-2 No data | ISO Alpha-3/5 oav | Speakers worldwide No data | No data | Additional language information wikipedia | |
| Name Obispeño | Translation Translate a few words in Obispeño | ISO Alpha-2 No data | ISO Alpha-3/5 obi | Speakers worldwide No data | No data | Additional language information wikipedia | |
| Name Oblo | Translation Translate a few words in Oblo | ISO Alpha-2 No data | ISO Alpha-3/5 obl | Speakers worldwide No data | No data | Additional language information wikipedia | |
| Name Obo Manobo | Translation Translate a few words in Obo Manobo | ISO Alpha-2 No data | ISO Alpha-3/5 obo | Speakers worldwide 60000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Old Burmese | Translation Translate a few words in Old Burmese | ISO Alpha-2 No data | ISO Alpha-3/5 obr | Speakers worldwide No data | No data | Additional language information wikipedia | |
| Name Old Breton | Translation Translate a few words in Old Breton | ISO Alpha-2 No data | ISO Alpha-3/5 obt | Speakers worldwide No data | No data | Additional language information multitree | |
| Name Obulom | Translation Translate a few words in Obulom | ISO Alpha-2 No data | ISO Alpha-3/5 obu | Speakers worldwide 3420 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Occitan | Translation Translate a few words in Occitan | ISO Alpha-2 oc | ISO Alpha-3/5 oci | Speakers worldwide 800000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Ocaina | Translation Translate a few words in Ocaina | ISO Alpha-2 No data | ISO Alpha-3/5 oca | Speakers worldwide 190 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Old Chinese | Translation Translate a few words in Old Chinese | ISO Alpha-2 No data | ISO Alpha-3/5 och | Speakers worldwide No data | No data | Additional language information wikipedia | |
| Name Old Cornish | Translation Translate a few words in Old Cornish | ISO Alpha-2 No data | ISO Alpha-3/5 oco | Speakers worldwide No data | No data | Additional language information wikipedia | |
| Name Odut | Translation Translate a few words in Odut | ISO Alpha-2 No data | ISO Alpha-3/5 oda | Speakers worldwide No data | No data | Additional language information ethnologue | |
| Name Od | Translation Translate a few words in Od | ISO Alpha-2 No data | ISO Alpha-3/5 odk | Speakers worldwide 50000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Old Dutch | Translation Translate a few words in Old Dutch | ISO Alpha-2 No data | ISO Alpha-3/5 odt | Speakers worldwide No data | No data | Additional language information wikipedia | |
| Name Odual | Translation Translate a few words in Odual | ISO Alpha-2 No data | ISO Alpha-3/5 odu | Speakers worldwide 18000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Ofo | Translation Translate a few words in Ofo | ISO Alpha-2 No data | ISO Alpha-3/5 ofo | Speakers worldwide No data | No data | Additional language information wikipedia | |
| Name Old Frisian | Translation Translate a few words in Old Frisian | ISO Alpha-2 No data | ISO Alpha-3/5 ofs | Speakers worldwide No data | No data | Additional language information wikipedia | |
| Name Ogbia | Translation Translate a few words in Ogbia | ISO Alpha-2 No data | ISO Alpha-3/5 ogb | Speakers worldwide 200000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Ogbah | Translation Translate a few words in Ogbah | ISO Alpha-2 No data | ISO Alpha-3/5 ogc | Speakers worldwide 500000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Old Georgian | Translation Translate a few words in Old Georgian | ISO Alpha-2 No data | ISO Alpha-3/5 oge | Speakers worldwide No data | No data | Additional language information wikipedia | |
| Name Ogbogolo | Translation Translate a few words in Ogbogolo | ISO Alpha-2 No data | ISO Alpha-3/5 ogg | Speakers worldwide 10000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Ogbronuagum | Translation Translate a few words in Ogbronuagum | ISO Alpha-2 No data | ISO Alpha-3/5 ogu | Speakers worldwide 12000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Old Hittite | Translation Translate a few words in Old Hittite | ISO Alpha-2 No data | ISO Alpha-3/5 oht | Speakers worldwide No data | No data | Additional language information wikipedia | |
| Name Old Hungarian | Translation Translate a few words in Old Hungarian | ISO Alpha-2 No data | ISO Alpha-3/5 ohu | Speakers worldwide No data | No data | Additional language information wikipedia | |
| Name Oirata | Translation Translate a few words in Oirata | ISO Alpha-2 No data | ISO Alpha-3/5 oia | Speakers worldwide 1200 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Ojibwe | Translation Translate a few words in Ojibwe | ISO Alpha-2 oj | ISO Alpha-3/5 oji | Speakers worldwide 90000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Old Japanese | Translation Translate a few words in Old Japanese | ISO Alpha-2 No data | ISO Alpha-3/5 ojp | Speakers worldwide No data | No data | Additional language information wikipedia | |
| Name Ontong Java | Translation Translate a few words in Ontong Java | ISO Alpha-2 No data | ISO Alpha-3/5 ojv | Speakers worldwide 2400 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Okanagan | Translation Translate a few words in Okanagan | ISO Alpha-2 No data | ISO Alpha-3/5 oka | Speakers worldwide 600 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Okobo | Translation Translate a few words in Okobo | ISO Alpha-2 No data | ISO Alpha-3/5 okb | Speakers worldwide 50000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Okodia | Translation Translate a few words in Okodia | ISO Alpha-2 No data | ISO Alpha-3/5 okd | Speakers worldwide 3600 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Okpe (Southwestern Edo) | Translation Translate a few words in Okpe (Southwestern Edo) | ISO Alpha-2 No data | ISO Alpha-3/5 oke | Speakers worldwide 25000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Okiek | Translation Translate a few words in Okiek | ISO Alpha-2 No data | ISO Alpha-3/5 oki | Speakers worldwide 79000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Oko-Juwoi | Translation Translate a few words in Oko-Juwoi | ISO Alpha-2 No data | ISO Alpha-3/5 okj | Speakers worldwide No data | No data | Additional language information wikipedia | |
| Name Oki-No-Erabu | Translation Translate a few words in Oki-No-Erabu | ISO Alpha-2 No data | ISO Alpha-3/5 okn | Speakers worldwide 3200 | No data | Additional language information wikipedia | |
| Name Old Korean (3rd-9th cent.) | Translation Translate a few words in Old Korean (3rd-9th cent.) | ISO Alpha-2 No data | ISO Alpha-3/5 oko | Speakers worldwide No data | No data | Additional language information wikipedia | |
| Name Oko-Eni-Osayen | Translation Translate a few words in Oko-Eni-Osayen | ISO Alpha-2 No data | ISO Alpha-3/5 oks | Speakers worldwide 40000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Oku | Translation Translate a few words in Oku | ISO Alpha-2 No data | ISO Alpha-3/5 oku | Speakers worldwide 87000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Orokaiva | Translation Translate a few words in Orokaiva | ISO Alpha-2 No data | ISO Alpha-3/5 okv | Speakers worldwide 47000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Okpe (Northwestern Edo) | Translation Translate a few words in Okpe (Northwestern Edo) | ISO Alpha-2 No data | ISO Alpha-3/5 okx | Speakers worldwide 8700 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Olekha | Translation Translate a few words in Olekha | ISO Alpha-2 No data | ISO Alpha-3/5 ole | Speakers worldwide 500 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Oloma | Translation Translate a few words in Oloma | ISO Alpha-2 No data | ISO Alpha-3/5 olm | Speakers worldwide No data | Countries where it is spoken
| Additional language information wikipedia | |
| Name Olrat | Translation Translate a few words in Olrat | ISO Alpha-2 No data | ISO Alpha-3/5 olr | Speakers worldwide 3 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Old Lithuanian | Translation Translate a few words in Old Lithuanian | ISO Alpha-2 No data | ISO Alpha-3/5 olt | Speakers worldwide No data | No data | Additional language information wikipedia | |
| Name Oromo | Translation Translate a few words in Oromo | ISO Alpha-2 om | ISO Alpha-3/5 orm | Speakers worldwide 45500000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Omaha-Ponca | Translation Translate a few words in Omaha-Ponca | ISO Alpha-2 No data | ISO Alpha-3/5 oma | Speakers worldwide 85 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Omagua | Translation Translate a few words in Omagua | ISO Alpha-2 No data | ISO Alpha-3/5 omg | Speakers worldwide 10 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Omi | Translation Translate a few words in Omi | ISO Alpha-2 No data | ISO Alpha-3/5 omi | Speakers worldwide 91000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Omok | Translation Translate a few words in Omok | ISO Alpha-2 No data | ISO Alpha-3/5 omk | Speakers worldwide No data | No data | Additional language information wikipedia | |
| Name Ombo | Translation Translate a few words in Ombo | ISO Alpha-2 No data | ISO Alpha-3/5 oml | Speakers worldwide 8400 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Old Manipuri | Translation Translate a few words in Old Manipuri | ISO Alpha-2 No data | ISO Alpha-3/5 omp | Speakers worldwide No data | No data | Additional language information wikipedia | |
| Name Old Marathi | Translation Translate a few words in Old Marathi | ISO Alpha-2 No data | ISO Alpha-3/5 omr | Speakers worldwide No data | No data | Additional language information wikipedia | |
| Name Omotik | Translation Translate a few words in Omotik | ISO Alpha-2 No data | ISO Alpha-3/5 omt | Speakers worldwide 50 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Omurano | Translation Translate a few words in Omurano | ISO Alpha-2 No data | ISO Alpha-3/5 omu | Speakers worldwide No data | No data | Additional language information wikipedia | |
| Name Old Mon | Translation Translate a few words in Old Mon | ISO Alpha-2 No data | ISO Alpha-3/5 omx | Speakers worldwide No data | No data | Additional language information multitree | |
| Name Ona | Translation Translate a few words in Ona | ISO Alpha-2 No data | ISO Alpha-3/5 ona | Speakers worldwide 2 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Oneida | Translation Translate a few words in Oneida | ISO Alpha-2 No data | ISO Alpha-3/5 one | Speakers worldwide 190 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Olo | Translation Translate a few words in Olo | ISO Alpha-2 No data | ISO Alpha-3/5 ong | Speakers worldwide 14000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Onin | Translation Translate a few words in Onin | ISO Alpha-2 No data | ISO Alpha-3/5 oni | Speakers worldwide 500 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Onjob | Translation Translate a few words in Onjob | ISO Alpha-2 No data | ISO Alpha-3/5 onj | Speakers worldwide 150 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Onobasulu | Translation Translate a few words in Onobasulu | ISO Alpha-2 No data | ISO Alpha-3/5 onn | Speakers worldwide 1000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Onondaga | Translation Translate a few words in Onondaga | ISO Alpha-2 No data | ISO Alpha-3/5 ono | Speakers worldwide 50 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Ono | Translation Translate a few words in Ono | ISO Alpha-2 No data | ISO Alpha-3/5 ons | Speakers worldwide 10000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Ontenu | Translation Translate a few words in Ontenu | ISO Alpha-2 No data | ISO Alpha-3/5 ont | Speakers worldwide 3000 | Countries where it is spoken
| Additional language information ethnologue | |
| Name Old Nubian | Translation Translate a few words in Old Nubian | ISO Alpha-2 No data | ISO Alpha-3/5 onw | Speakers worldwide No data | No data | Additional language information wikipedia | |
| Name Onin Based Pidgin | Translation Translate a few words in Onin Based Pidgin | ISO Alpha-2 No data | ISO Alpha-3/5 onx | Speakers worldwide 9 | Countries where it is spoken
| Additional language information ethnologue | |
| Name O'odham | Translation Translate a few words in O'odham | ISO Alpha-2 No data | ISO Alpha-3/5 ood | Speakers worldwide 15000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Ong | Translation Translate a few words in Ong | ISO Alpha-2 No data | ISO Alpha-3/5 oog | Speakers worldwide 10300 | Countries where it is spoken
| Additional language information ethnologue | |
| Name Oorlams | Translation Translate a few words in Oorlams | ISO Alpha-2 No data | ISO Alpha-3/5 oor | Speakers worldwide 32000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Old Ossetic | Translation Translate a few words in Old Ossetic | ISO Alpha-2 No data | ISO Alpha-3/5 oos | Speakers worldwide No data | No data | Additional language information wikipedia | |
| Name Okpamheri | Translation Translate a few words in Okpamheri | ISO Alpha-2 No data | ISO Alpha-3/5 opa | Speakers worldwide 30000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Oksapmin | Translation Translate a few words in Oksapmin | ISO Alpha-2 No data | ISO Alpha-3/5 opm | Speakers worldwide 8000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Opao | Translation Translate a few words in Opao | ISO Alpha-2 No data | ISO Alpha-3/5 opo | Speakers worldwide 1120 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Opata | Translation Translate a few words in Opata | ISO Alpha-2 No data | ISO Alpha-3/5 opt | Speakers worldwide No data | No data | Additional language information wikipedia | |
| Name Ofayé | Translation Translate a few words in Ofayé | ISO Alpha-2 No data | ISO Alpha-3/5 opy | Speakers worldwide 2 | No data | Additional language information wikipedia | |
| Name Oriya | Translation Translate a few words in Oriya | ISO Alpha-2 or | ISO Alpha-3/5 ori | Speakers worldwide 50000000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Oroha | Translation Translate a few words in Oroha | ISO Alpha-2 No data | ISO Alpha-3/5 ora | Speakers worldwide 38 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Orma | Translation Translate a few words in Orma | ISO Alpha-2 No data | ISO Alpha-3/5 orc | Speakers worldwide 66000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Orejón | Translation Translate a few words in Orejón | ISO Alpha-2 No data | ISO Alpha-3/5 ore | Speakers worldwide 220 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Oring | Translation Translate a few words in Oring | ISO Alpha-2 No data | ISO Alpha-3/5 org | Speakers worldwide 75000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Oroqen | Translation Translate a few words in Oroqen | ISO Alpha-2 No data | ISO Alpha-3/5 orh | Speakers worldwide 12 | No data | Additional language information wikipedia | |
| Name Orang Kanaq | Translation Translate a few words in Orang Kanaq | ISO Alpha-2 No data | ISO Alpha-3/5 orn | Speakers worldwide 80 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Orokolo | Translation Translate a few words in Orokolo | ISO Alpha-2 No data | ISO Alpha-3/5 oro | Speakers worldwide 50000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Oruma | Translation Translate a few words in Oruma | ISO Alpha-2 No data | ISO Alpha-3/5 orr | Speakers worldwide 5000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Orang Seletar | Translation Translate a few words in Orang Seletar | ISO Alpha-2 No data | ISO Alpha-3/5 ors | Speakers worldwide 880 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Ormuri | Translation Translate a few words in Ormuri | ISO Alpha-2 No data | ISO Alpha-3/5 oru | Speakers worldwide 6000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Old Russian | Translation Translate a few words in Old Russian | ISO Alpha-2 No data | ISO Alpha-3/5 orv | Speakers worldwide No data | No data | Additional language information wikipedia | |
| Name Oro Win | Translation Translate a few words in Oro Win | ISO Alpha-2 No data | ISO Alpha-3/5 orw | Speakers worldwide 2 | No data | Additional language information wikipedia | |
| Name Oro | Translation Translate a few words in Oro | ISO Alpha-2 No data | ISO Alpha-3/5 orx | Speakers worldwide 75000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Odia | Translation Translate a few words in Odia | ISO Alpha-2 No data | ISO Alpha-3/5 ory | Speakers worldwide 50000000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Ormu | Translation Translate a few words in Ormu | ISO Alpha-2 No data | ISO Alpha-3/5 orz | Speakers worldwide 500 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Ossetian | Translation Translate a few words in Ossetian | ISO Alpha-2 os | ISO Alpha-3/5 oss | Speakers worldwide 570000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Osage | Translation Translate a few words in Osage | ISO Alpha-2 No data | ISO Alpha-3/5 osa | Speakers worldwide No data | No data | Additional language information wikipedia | |
| Name Oscan | Translation Translate a few words in Oscan | ISO Alpha-2 No data | ISO Alpha-3/5 osc | Speakers worldwide No data | No data | Additional language information wikipedia | |
| Name Osing | Translation Translate a few words in Osing | ISO Alpha-2 No data | ISO Alpha-3/5 osi | Speakers worldwide 300000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Ososo | Translation Translate a few words in Ososo | ISO Alpha-2 No data | ISO Alpha-3/5 oso | Speakers worldwide 19000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Old Spanish | Translation Translate a few words in Old Spanish | ISO Alpha-2 No data | ISO Alpha-3/5 osp | Speakers worldwide No data | No data | Additional language information wikipedia | |
| Name Osatu | Translation Translate a few words in Osatu | ISO Alpha-2 No data | ISO Alpha-3/5 ost | Speakers worldwide 400 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Old Saxon | Translation Translate a few words in Old Saxon | ISO Alpha-2 No data | ISO Alpha-3/5 osx | Speakers worldwide No data | No data | Additional language information wikipedia | |
| Name Ottoman Turkish (1500-1928) | Translation Translate a few words in Ottoman Turkish (1500-1928) | ISO Alpha-2 No data | ISO Alpha-3/5 ota | Speakers worldwide No data | No data | Additional language information wikipedia | |
| Name Old Tibetan | Translation Translate a few words in Old Tibetan | ISO Alpha-2 No data | ISO Alpha-3/5 otb | Speakers worldwide No data | No data | Additional language information wikipedia | |
| Name Ot Danum | Translation Translate a few words in Ot Danum | ISO Alpha-2 No data | ISO Alpha-3/5 otd | Speakers worldwide 79000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Oti | Translation Translate a few words in Oti | ISO Alpha-2 No data | ISO Alpha-3/5 oti | Speakers worldwide No data | No data | Additional language information wikipedia | |
| Name Old Turkish | Translation Translate a few words in Old Turkish | ISO Alpha-2 No data | ISO Alpha-3/5 otk | Speakers worldwide No data | No data | Additional language information wikipedia | |
| Name Otoro | Translation Translate a few words in Otoro | ISO Alpha-2 No data | ISO Alpha-3/5 otr | Speakers worldwide 10000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Otuke | Translation Translate a few words in Otuke | ISO Alpha-2 No data | ISO Alpha-3/5 otu | Speakers worldwide No data | No data | Additional language information wikipedia | |
| Name Ottawa | Translation Translate a few words in Ottawa | ISO Alpha-2 No data | ISO Alpha-3/5 otw | Speakers worldwide 13000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Old Tamil | Translation Translate a few words in Old Tamil | ISO Alpha-2 No data | ISO Alpha-3/5 oty | Speakers worldwide No data | No data | Additional language information wikipedia | |
| Name Oune | Translation Translate a few words in Oune | ISO Alpha-2 No data | ISO Alpha-3/5 oue | Speakers worldwide 1000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Old Uighur | Translation Translate a few words in Old Uighur | ISO Alpha-2 No data | ISO Alpha-3/5 oui | Speakers worldwide No data | No data | Additional language information wikipedia | |
| Name Ouma | Translation Translate a few words in Ouma | ISO Alpha-2 No data | ISO Alpha-3/5 oum | Speakers worldwide No data | No data | Additional language information wikipedia | |
| Name Owiniga | Translation Translate a few words in Owiniga | ISO Alpha-2 No data | ISO Alpha-3/5 owi | Speakers worldwide 330 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Old Welsh | Translation Translate a few words in Old Welsh | ISO Alpha-2 No data | ISO Alpha-3/5 owl | Speakers worldwide No data | No data | Additional language information wikipedia | |
| Name Oy | Translation Translate a few words in Oy | ISO Alpha-2 No data | ISO Alpha-3/5 oyb | Speakers worldwide 16000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Oyda | Translation Translate a few words in Oyda | ISO Alpha-2 No data | ISO Alpha-3/5 oyd | Speakers worldwide 37000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Oya'oya | Translation Translate a few words in Oya'oya | ISO Alpha-2 No data | ISO Alpha-3/5 oyy | Speakers worldwide 370 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Old Persian (ca. 600-400 B.C.) | Translation Translate a few words in Old Persian (ca. 600-400 B.C.) | ISO Alpha-2 No data | ISO Alpha-3/5 peo | Speakers worldwide No data | No data | Additional language information wikipedia | |
| Name Oluta Popoluca | Translation Translate a few words in Oluta Popoluca | ISO Alpha-2 No data | ISO Alpha-3/5 plo | Speakers worldwide 20 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Old Provençal (to 1500) | Translation Translate a few words in Old Provençal (to 1500) | ISO Alpha-2 No data | ISO Alpha-3/5 pro | Speakers worldwide No data | No data | Additional language information wikipedia | |
| Name Oraon Sadri | Translation Translate a few words in Oraon Sadri | ISO Alpha-2 No data | ISO Alpha-3/5 sdr | Speakers worldwide 166000 | Countries where it is spoken
| Additional language information ethnologue | |
| Name Old Irish (to 900) | Translation Translate a few words in Old Irish (to 900) | ISO Alpha-2 No data | ISO Alpha-3/5 sga | Speakers worldwide No data | No data | Additional language information wikipedia | |
| Name Owa | Translation Translate a few words in Owa | ISO Alpha-2 No data | ISO Alpha-3/5 stn | Speakers worldwide 8400 | Countries where it is spoken
| Additional language information wikipedia | |
| Name O'du | Translation Translate a few words in O'du | ISO Alpha-2 No data | ISO Alpha-3/5 tyh | Speakers worldwide 950 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Orya | Translation Translate a few words in Orya | ISO Alpha-2 No data | ISO Alpha-3/5 ury | Speakers worldwide 3200 | Countries where it is spoken
| Additional language information ethnologue | |
| Name Otank | Translation Translate a few words in Otank | ISO Alpha-2 No data | ISO Alpha-3/5 uta | Speakers worldwide 15000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Owenia | Translation Translate a few words in Owenia | ISO Alpha-2 No data | ISO Alpha-3/5 wsr | Speakers worldwide 350 | Countries where it is spoken
| Additional language information ethnologue | |
| Name O'chi'chi' | Translation Translate a few words in O'chi'chi' | ISO Alpha-2 No data | ISO Alpha-3/5 xoc | Speakers worldwide No data | No data | Additional language information wikipedia | |
| Name Ocotlán Zapotec | Translation Translate a few words in Ocotlán Zapotec | ISO Alpha-2 No data | ISO Alpha-3/5 zac | Speakers worldwide 15000 | Countries where it is spoken
| Additional language information wikipedia | |
| Name Ozolotepec Zapotec | Translation Translate a few words in Ozolotepec Zapotec | ISO Alpha-2 No data | ISO Alpha-3/5 zao | Speakers worldwide 6500 | Countries where it is spoken
| Additional language information wikipedia |
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