| Abkhazian | abk |
| Achinese | ace |
| Acoli | ach |
| Adangme | ada |
| Afar | aar |
| Afrihili | afh |
| Afrikaans | afr |
| Afro-Asiatic | afa |
| Akan | aka |
| Akkadian | akk |
| Albanian | alb/sqi |
| Aleut | ale |
| Algonquian languages | alg |
| Altaic | tut |
| Amharic | amh |
| Ancient Egyptian | egy |
| Ancient Greek | grc |
| Apache | apa |
| Arabic | ara |
| Aragonese | arg |
| Aramaic | arc |
| Arapaho | arp |
| Araucanian | arn |
| Arawak | arw |
| Armenian | arm/hye |
| Artificial | art |
| Assamese | asm |
| Athapascan | ath |
| Austronesian | map |
| Auxiliary Language Association) | ina |
| Avaric | ava |
| Avestan | ave |
| Awadhi | awa |
| Aymara | aym |
| Azerbaijani | aze |
| Aztec | nah |
| Balinese | ban |
| Baltic | bat |
| Baluchi | bal |
| Bambara | bam |
| Bamileke | bai |
| Banda | bad |
| Bantu | bnt |
| Basa | bas |
| Bashkir | bak |
| Basque | baq/eus |
| Beja | bej |
| Belarusian | bel |
| Bemba | bem |
| Bengali | ben |
| Berber | ber |
| Bhojpuri | bho |
| Bihari | bih |
| Bikol | bik |
| Bini | bin |
| Bislama | bis |
| Bokmål, Norwegian; Norwegian Bokmål | nob |
| Bosnian | bos |
| Braj | bra |
| Breton | bre |
| Buginese | bug |
| Bulgarian | bul |
| Buriat | bua |
| Burmese | bur/mya |
| Caddo | cad |
| Carib | car |
| Catalan; Valencian | cat |
| Caucasian | cau |
| Cebuano | ceb |
| Celtic | cel |
| Central American Indian | cai |
| Chagatai | chg |
| Chamorro | cha |
| Chechen | che |
| Cherokee | chr |
| Chewa; Chichewa; Nyanja | nya |
| Cheyenne | chy |
| Chibcha | chb |
| Chinese | chi/zho |
| Chinook jargon | chn |
| Choctaw | cho |
| Church Slavic; Slavonic; Church Slavonic; Old Bulgarian; Old Church Slavonic | chu |
| Chuvash | chv |
| Coptic | cop |
| Cornish | cor |
| Corsican | cos |
| Cree | cre |
| Creek | mus |
| Creoles and Pidgins | crp |
| Croatian | hrv |
| Cushitic | cus |
| Czech | ces/cze |
| Dakota | dak |
| Danish | dan |
| Delaware | del |
| Dinka | din |
| Divehi | div |
| Dogri | doi |
| Dravidian | dra |
| Duala | dua |
| Dutch; Flemish | dut/nld |
| Dyula | dyu |
| Dzongkha | dzo |
| Efik | efi |
| Ekajuk | eka |
| Elamite | elx |
| English | eng |
| English-based Creoles and Pidgins | cpe |
| Eskimo | esk |
| Esperanto | epo |
| Estonian | est |
| Ewe | ewe |
| Ewondo | ewo |
| Fang | fan |
| Fanti | fat |
| Faroese | fao |
| Fijian | fij |
| Finnish | fin |
| Finno-Ugrian | fiu |
| Fon | fon |
| French | fra/fre |
| French-based Creoles and Pidgins | cpf |
| Frisian | fry |
| Fulah | ful |
| Ga | gaa |
| Gaelic | gae/gdh |
| Gaelic; Scottish Gaelic | gla |
| Galician | glg |
| Ganda | lug |
| Gayo | gay |
| Geez | gez |
| Georgian | geo/kat |
| German | deu/ger |
| Germanic | gem |
| Gikuyu; Kikuyu | kik |
| Gilbertese | gil |
| Gondi | gon |
| Gothic | got |
| Grebo | grb |
| Greek | ell/gre |
| Greek, Modern (1453-) | gre/ell |
| Greenlandic; Kalaallisut | kal |
| Guarani | grn |
| Gujarati | guj |
| Haida | hai |
| Haitian; Haitian Creole | hat |
| Hausa | hau |
| Hawaiian | haw |
| Hebrew | heb |
| Herero | her |
| Hiligaynon | hil |
| Himachali | him |
| Hindi | hin |
| Hiri Motu | hmo |
| Hungarian | hun |
| Hupa | hup |
| Iban | iba |
| Icelandic | ice/isl |
| Ido | ido |
| Igbo | ibo |
| Ijo | ijo |
| Iloko | ilo |
| Indic | inc |
| Indo-European | ine |
| Indonesian | ind |
| Interlingue | ile |
| Inuktitut | iku |
| Inupiaq | ipk |
| Iranian | ira |
| Irish | gai/iri |
| Iroquoian | iro |
| Italian | ita |
| Japanese | jpn |
| Javanese | jav |
| Judeo-Arabic | jrb |
| Judeo-Persian | jpr |
| Kabyle | kab |
| Kachin | kac |
| Kamba | kam |
| Kannada | kan |
| Kanuri | kau |
| Kara-Kalpak | kaa |
| Karen | kar |
| Kashmiri | kas |
| Kawi | kaw |
| Kazakh | kaz |
| Khasi | kha |
| Khmer | khm |
| Khoisan | khi |
| Khotanese | kho |
| Kinyarwanda | kin |
| Kirghiz | kir |
| Komi | kom |
| Kongo | kon |
| Konkani | kok |
| Korean | kor |
| Kpelle | kpe |
| Kru | kro |
| Kuanyama; Kwanyama | kua |
| Kumyk | kum |
| Kurdish | kur |
| Kurukh | kru |
| Kusaie | kus |
| Kutenai | kut |
| Ladino | lad |
| Lahnda | lah |
| Lamba | lam |
| Lao | lao |
| Latin | lat |
| Latvian | lav |
| Letzeburgesch; Luxembourgish | ltz |
| Lezghian | lez |
| Limburgan; Limburger; Limburgish | lim |
| Lingala | lin |
| Lithuanian | lit |
| Lozi | loz |
| Luba-Katanga | lub |
| Luiseno | lui |
| Lunda | lun |
| Luo | luo |
| Macedonian | mac/mak |
| Madurese | mad |
| Magahi | mag |
| Maithili | mai |
| Makasar | mak |
| Malagasy | mlg |
| Malay | may/msa |
| Malayalam | mal |
| Maltese | mlt |
| Mandingo | man |
| Manipuri | mni |
| Manobo | mno |
| Manx | glv |
| Maori | mao/mri |
| Marathi | mar |
| Mari | chm |
| Marshallese | mah |
| Marwari | mwr |
| Masai | mas |
| Mayan | myn |
| Mende | men |
| Micmac | mic |
| Middle Dutch | dum |
| Middle English | enm |
| Middle French | frm |
| Middle High German | gmh |
| Middle Irish | mga |
| Minangkabau | min |
| Miscellaneous | mis |
| Mohawk | moh |
| Moldavian | mol |
| Mon-Kmer | mkh |
| Mongo | lol |
| Mongolian | mon |
| Mossi | mos |
| Multiple languages | mul |
| Munda | mun |
| Nauru | nau |
| Navajo; Navaho | nav |
| Ndebele, North | nde |
| Ndebele, South | nbl |
| Ndonga | ndo |
| Nepali | nep |
| Newari | new |
| Niger-Kordofanian | nic |
| Nilo-Saharan | ssa |
| Niuean | niu |
| Norse | non |
| North American Indian | nai |
| Northern Sami | sme |
| Norwegian | nor |
| Norwegian Nynorsk; Nynorsk, Norwegian | nno |
| Nubian | nub |
| Nyamwezi | nym |
| Nyankole | nyn |
| Nyoro | nyo |
| Nzima | nzi |
| Occitan (post 1500); Provençal | oci |
| Ojibwa | oji |
| Old English | ang |
| Old French | fro |
| Old High German | goh |
| Oriya | ori |
| Oromo | orm |
| Osage | osa |
| Ossetian; Ossetic | oss |
| Otomian | oto |
| Ottoman | ota |
| Pahlavi | pal |
| Palauan | pau |
| Pali | pli |
| Pampanga | pam |
| Pangasinan | pag |
| Panjabi; Punjabi | pan |
| Papiamento | pap |
| Papuan-Australian | paa |
| Persian | fas/per |
| Persian, Old (ca 600 - 400 B.C.) | peo |
| Phoenician | phn |
| Polish | pol |
| Ponape | pon |
| Portuguese | por |
| Portuguese-based Creoles and Pidgins | cpp |
| Prakrit | pra |
| Provencal | pro |
| Pushto | pus |
| Quechua | que |
| Raeto-Romance | roh |
| Rajasthani | raj |
| Rarotongan | rar |
| Romance | roa |
| Romanian | ron/rum |
| Romany | rom |
| Rundi | run |
| Russian | rus |
| Salishan | sal |
| Samaritan | sam |
| Sami | smi |
| Samoan | smo |
| Sandawe | sad |
| Sango | sag |
| Sanskrit | san |
| Sardinian | srd |
| Scots | sco |
| Selkup | sel |
| Semitic | sem |
| Serbian | srp |
| Serbo-Croatian | scr |
| Serer | srr |
| Shan | shn |
| Shona | sna |
| Sichuan Yi | iii |
| Sidamo | sid |
| Siksika | bla |
| Sindhi | snd |
| Sinhala; Sinhalese | sin |
| Sino-Tibetan | sit |
| Siouan | sio |
| Slavic | sla |
| Slovak | slk/slo |
| Slovenian | slv |
| Sogdian | sog |
| Somali | som |
| Songhai | son |
| Sorbian | wen |
| Sotho | nso |
| Sotho, Southern | sot |
| South American Indian | sai |
| Spanish | esl/spa |
| Spanish; Castilian | spa |
| Sukuma | suk |
| Sumerian | sux |
| Sundanese | sun |
| Susu | sus |
| Swahili | swa |
| Swati | ssw |
| Swedish | swe |
| Syriac | syr |
| Tagalog | tgl |
| Tahitian | tah |
| Tajik | tgk |
| Tamashek | tmh |
| Tamil | tam |
| Tatar | tat |
| Telugu | tel |
| Tereno | ter |
| Thai | tha |
| Tibetan | bod/tib |
| Tigre | tig |
| Tigrinya | tir |
| Timne | tem |
| Tivi | tiv |
| Tlingit | tli |
| Tonga (Tonga Islands) | ton |
| Tonga(Nyasa) | tog |
| Truk | tru |
| Tsimshian | tsi |
| Tsonga | tso |
| Tswana | tsn |
| Tumbuka | tum |
| Turkish | tur |
| Turkmen | tuk |
| Tuvinian | tyv |
| Twi | twi |
| Ugaritic | uga |
| Uighur; Uyghur | uig |
| Ukrainian | ukr |
| Umbundu | umb |
| Undetermined | und |
| Urdu | urd |
| Uzbek | uzb |
| Vai | vai |
| Venda | ven |
| Vietnamese | vie |
| Volapük | vol |
| Votic | vot |
| Wakashan | wak |
| Walamo | wal |
| Walloon | wln |
| Waray | war |
| Washo | was |
| Welsh | cym/wel |
| Wolof | wol |
| Xhosa | xho |
| Yakut | sah |
| Yao | yao |
| Yap | yap |
| Yiddish | yid |
| Yoruba | yor |
| Zapotec | zap |
| Zenaga | zen |
| Zhuang; Chuang | zha |
| Zulu | zul |
| Zuni | zun |
| old Irish | sga |