| Description | Code |
|---|
| Abkhazian | abk |
| Achinese | ace |
| Acoli | ach |
| Adangme | ada |
| Adyghe; Adygei | ady |
| Afar | aar |
| Afrihili | afh |
| Afrikaans | afr |
| Afro-Asiatic languages | afa |
| Ainu | ain |
| Akan | aka |
| Akkadian | akk |
| Albanian | alb |
| Aleut | ale |
| Algonquian languages | alg |
| Altaic languages | tut |
| Amharic | amh |
| Angika | anp |
| Apache languages | apa |
| Arabic | ara |
| Aragonese | arg |
| Arapaho | arp |
| Arawak | arw |
| Armenian | arm |
| Aromanian; Arumanian; Macedo-Romanian | rup |
| Artificial languages | art |
| Assamese | asm |
| Asturian; Bable; Leonese; Asturleonese | ast |
| Athapascan languages | ath |
| Australian languages | aus |
| Austronesian languages | map |
| Avaric | ava |
| Avestan | ave |
| Awadhi | awa |
| Aymara | aym |
| Azerbaijani | aze |
| Balinese | ban |
| Baltic languages | bat |
| Baluchi | bal |
| Bambara | bam |
| Bamileke languages | bai |
| Banda languages | bad |
| Bantu languages | bnt |
| Basa | bas |
| Bashkir | bak |
| Basque | baq |
| Batak languages | btk |
| Beja; Bedawiyet | bej |
| Belarusian | bel |
| Bemba | bem |
| Bengali | ben |
| Berber languages | ber |
| Bhojpuri | bho |
| Bihari languages | bih |
| Bikol | bik |
| Bini; Edo | bin |
| Bislama | bis |
| Blin; Bilin | byn |
| Blissymbols; Blissymbolics; Bliss | zbl |
| Bokmål, Norwegian; Norwegian Bokmål | nob |
| Bosnian | bos |
| Braj | bra |
| Breton | bre |
| Buginese | bug |
| Bulgarian | bul |
| Buriat | bua |
| Burmese | bur |
| Caddo | cad |
| Catalan; Valencian | cat |
| Caucasian languages | cau |
| Cebuano | ceb |
| Celtic languages | cel |
| Central American Indian languages | cai |
| Central Khmer | khm |
| Chagatai | chg |
| Chamic languages | cmc |
| Chamorro | cha |
| Chechen | che |
| Cherokee | chr |
| Cheyenne | chy |
| Chibcha | chb |
| Chichewa; Chewa; Nyanja | nya |
| Chinese | chi |
| Chinook jargon | chn |
| Chipewyan; Dene Suline | chp |
| Choctaw | cho |
| Church Slavic; Old Slavonic; Church Slavonic; Old Bulgarian; Old Church Slavonic | chu |
| Chuukese | chk |
| Chuvash | chv |
| Classical Newari; Old Newari; Classical Nepal Bhasa | nwc |
| Classical Syriac | syc |
| Coptic | cop |
| Cornish | cor |
| Corsican | cos |
| Cree | cre |
| Creek | mus |
| Creoles and pidgins | crp |
| Creoles and pidgins, English based | cpe |
| Creoles and pidgins, French-based | cpf |
| Creoles and pidgins, Portuguese-based | cpp |
| Crimean Tatar; Crimean Turkish | crh |
| Croatian | hrv |
| Cushitic languages | cus |
| Czech | cze |
| Dakota | dak |
| Danish | dan |
| Dargwa | dar |
| Delaware | del |
| Dinka | din |
| Divehi; Dhivehi; Maldivian | div |
| Dogri | doi |
| Dogrib | dgr |
| Dravidian languages | dra |
| Duala | dua |
| Dutch, Middle (ca.1050-1350) | dum |
| Dutch; Flemish | dut |
| Dyula | dyu |
| Dzongkha | dzo |
| Eastern Frisian | frs |
| Efik | efi |
| Egyptian (Ancient) | egy |
| Ekajuk | eka |
| Elamite | elx |
| English | eng |
| English, Middle (1100-1500) | enm |
| English, Old (ca.450-1100) | ang |
| Erzya | myv |
| Esperanto | epo |
| Estonian | est |
| Ewe | ewe |
| Ewondo | ewo |
| Fang | fan |
| Fanti | fat |
| Faroese | fao |
| Fijian | fij |
| Filipino; Pilipino | fil |
| Finnish | fin |
| Finno-Ugrian languages | fiu |
| Fon | fon |
| French | fre |
| French, Middle (ca.1400-1600) | frm |
| French, Old (842-ca.1400) | fro |
| Friulian | fur |
| Fulah | ful |
| Ga | gaa |
| Gaelic; Scottish Gaelic | gla |
| Galibi Carib | car |
| Galician | glg |
| Ganda | lug |
| Gayo | gay |
| Gbaya | gba |
| Geez | gez |
| Georgian | geo |
| German | ger |
| German, Middle High (ca.1050-1500) | gmh |
| German, Old High (ca.750-1050) | goh |
| Germanic languages | gem |
| Gilbertese | gil |
| Gondi | gon |
| Gorontalo | gor |
| Gothic | got |
| Grebo | grb |
| Greek, Ancient (to 1453) | grc |
| Greek, Modern (1453-) | gre |
| Guarani | grn |
| Gujarati | guj |
| Gwich'in | gwi |
| Haida | hai |
| Haitian; Haitian Creole | hat |
| Hausa | hau |
| Hawaiian | haw |
| Hebrew | heb |
| Herero | her |
| Hiligaynon | hil |
| Himachali languages; Western Pahari languages | him |
| Hindi | hin |
| Hiri Motu | hmo |
| Hittite | hit |
| Hmong; Mong | hmn |
| Hungarian | hun |
| Hupa | hup |
| Iban | iba |
| Icelandic | ice |
| Ido | ido |
| Igbo | ibo |
| Ijo languages | ijo |
| Iloko | ilo |
| Inari Sami | smn |
| Indic languages | inc |
| Indo-European languages | ine |
| Indonesian | ind |
| Ingush | inh |
| Interlingua (International Auxiliary Language Association) | ina |
| Interlingue; Occidental | ile |
| Inuktitut | iku |
| Inupiaq | ipk |
| Iranian languages | ira |
| Irish | gle |
| Irish, Middle (900-1200) | mga |
| Irish, Old (to 900) | sga |
| Iroquoian languages | iro |
| Italian | ita |
| Japanese | jpn |
| Javanese | jav |
| Judeo-Arabic | jrb |
| Judeo-Persian | jpr |
| Kabardian | kbd |
| Kabyle | kab |
| Kachin; Jingpho | kac |
| Kalaallisut; Greenlandic | kal |
| Kalmyk; Oirat | xal |
| Kamba | kam |
| Kannada | kan |
| Kanuri | kau |
| Kara-Kalpak | kaa |
| Karachay-Balkar | krc |
| Karelian | krl |
| Karen languages | kar |
| Kashmiri | kas |
| Kashubian | csb |
| Kawi | kaw |
| Kazakh | kaz |
| Khasi | kha |
| Khoisan languages | khi |
| Khotanese; Sakan | kho |
| Kikuyu; Gikuyu | kik |
| Kimbundu | kmb |
| Kinyarwanda | kin |
| Kirghiz; Kyrgyz | kir |
| Klingon; tlhIngan-Hol | tlh |
| Komi | kom |
| Kongo | kon |
| Konkani | kok |
| Korean | kor |
| Kosraean | kos |
| Kpelle | kpe |
| Kru languages | kro |
| Kuanyama; Kwanyama | kua |
| Kumyk | kum |
| Kurdish | kur |
| Kurukh | kru |
| Kutenai | kut |
| Ladino | lad |
| Lahnda | lah |
| Lamba | lam |
| Land Dayak languages | day |
| Lao | lao |
| Latin | lat |
| Latvian | lav |
| Lezghian | lez |
| Limburgan; Limburger; Limburgish | lim |
| Lingala | lin |
| Lithuanian | lit |
| Lojban | jbo |
| Low German; Low Saxon; German, Low; Saxon, Low | nds |
| Lower Sorbian | dsb |
| Lozi | loz |
| Luba-Katanga | lub |
| Luba-Lulua | lua |
| Luiseno | lui |
| Lule Sami | smj |
| Lunda | lun |
| Luo (Kenya and Tanzania) | luo |
| Lushai | lus |
| Luxembourgish; Letzeburgesch | ltz |
| Macedonian | mac |
| Madurese | mad |
| Magahi | mag |
| Maithili | mai |
| Makasar | mak |
| Malagasy | mlg |
| Malay | may |
| Malayalam | mal |
| Maltese | mlt |
| Manchu | mnc |
| Mandar | mdr |
| Mandingo | man |
| Manipuri | mni |
| Manobo languages | mno |
| Manx | glv |
| Maori | mao |
| Mapudungun; Mapuche | arn |
| Marathi | mar |
| Mari | chm |
| Marshallese | mah |
| Marwari | mwr |
| Masai | mas |
| Mayan languages | myn |
| Mende | men |
| Mi'kmaq; Micmac | mic |
| Minangkabau | min |
| Mirandese | mwl |
| Mohawk | moh |
| Moksha | mdf |
| Mon-Khmer languages | mkh |
| Mongo | lol |
| Mongolian | mon |
| Montenegrin | cnr |
| Mossi | mos |
| Multiple languages | mul |
| Munda languages | mun |
| N'Ko | nqo |
| Nahuatl languages | nah |
| Nauru | nau |
| Navajo; Navaho | nav |
| Ndebele, North; North Ndebele | nde |
| Ndebele, South; South Ndebele | nbl |
| Ndonga | ndo |
| Neapolitan | nap |
| Nepal Bhasa; Newari | new |
| Nepali | nep |
| Nias | nia |
| Niger-Kordofanian languages | nic |
| Nilo-Saharan languages | ssa |
| Niuean | niu |
| No linguistic content; Not applicable | zxx |
| Nogai | nog |
| Norse, Old | non |
| North American Indian languages | nai |
| Northern Frisian | frr |
| Northern Sami | sme |
| Norwegian | nor |
| Norwegian Nynorsk; Nynorsk, Norwegian | nno |
| Nubian languages | nub |
| Nyamwezi | nym |
| Nyankole | nyn |
| Nyoro | nyo |
| Nzima | nzi |
| Occitan (post 1500) | oci |
| Official Aramaic (700-300 BCE); Imperial Aramaic (700-300 BCE) | arc |
| Ojibwa | oji |
| Oriya | ori |
| Oromo | orm |
| Osage | osa |
| Ossetian; Ossetic | oss |
| Otomian languages | oto |
| Pahlavi | pal |
| Palauan | pau |
| Pali | pli |
| Pampanga; Kapampangan | pam |
| Pangasinan | pag |
| Panjabi; Punjabi | pan |
| Papiamento | pap |
| Papuan languages | paa |
| Pedi; Sepedi; Northern Sotho | nso |
| Persian | per |
| Persian, Old (ca.600-400 B.C.) | peo |
| Philippine languages | phi |
| Phoenician | phn |
| Pohnpeian | pon |
| Polish | pol |
| Portuguese | por |
| Prakrit languages | pra |
| Provençal, Old (to 1500); Occitan, Old (to 1500) | pro |
| Pushto; Pashto | pus |
| Quechua | que |
| Rajasthani | raj |
| Rapanui | rap |
| Rarotongan; Cook Islands Maori | rar |
| Romance languages | roa |
| Romanian; Moldavian; Moldovan | rum |
| Romansh | roh |
| Romany | rom |
| Rundi | run |
| Russian | rus |
| Salishan languages | sal |
| Samaritan Aramaic | sam |
| Sami languages | smi |
| Samoan | smo |
| Sandawe | sad |
| Sango | sag |
| Sanskrit | san |
| Santali | sat |
| Sardinian | srd |
| Sasak | sas |
| Scots | sco |
| Selkup | sel |
| Semitic languages | sem |
| Serbian | srp |
| Serer | srr |
| Shan | shn |
| Shona | sna |
| Sichuan Yi; Nuosu | iii |
| Sicilian | scn |
| Sidamo | sid |
| Sign Languages | sgn |
| Siksika | bla |
| Sindhi | snd |
| Sinhala; Sinhalese | sin |
| Sino-Tibetan languages | sit |
| Siouan languages | sio |
| Skolt Sami | sms |
| Slave (Athapascan) | den |
| Slavic languages | sla |
| Slovak | slo |
| Slovenian | slv |
| Sogdian | sog |
| Somali | som |
| Songhai languages | son |
| Soninke | snk |
| Sorbian languages | wen |
| Sotho, Southern | sot |
| South American Indian languages | sai |
| Southern Altai | alt |
| Southern Sami | sma |
| Spanish; Castilian | spa |
| Sranan Tongo | srn |
| Standard Moroccan Tamazight | zgh |
| Sukuma | suk |
| Sumerian | sux |
| Sundanese | sun |
| Susu | sus |
| Swahili | swa |
| Swati | ssw |
| Swedish | swe |
| Swiss German; Alemannic; Alsatian | gsw |
| Syriac | syr |
| Tagalog | tgl |
| Tahitian | tah |
| Tai languages | tai |
| Tajik | tgk |
| Tamashek | tmh |
| Tamil | tam |
| Tatar | tat |
| Telugu | tel |
| Tereno | ter |
| Tetum | tet |
| Thai | tha |
| Tibetan | tib |
| Tigre | tig |
| Tigrinya | tir |
| Timne | tem |
| Tiv | tiv |
| Tlingit | tli |
| Tok Pisin | tpi |
| Tokelau | tkl |
| Tonga (Nyasa) | tog |
| Tonga (Tonga Islands) | ton |
| Tsimshian | tsi |
| Tsonga | tso |
| Tswana | tsn |
| Tumbuka | tum |
| Tupi languages | tup |
| Turkish | tur |
| Turkish, Ottoman (1500-1928) | ota |
| Turkmen | tuk |
| Tuvalu | tvl |
| Tuvinian | tyv |
| Twi | twi |
| Udmurt | udm |
| Ugaritic | uga |
| Uighur; Uyghur | uig |
| Ukrainian | ukr |
| Umbundu | umb |
| Uncoded languages | mis |
| Undetermined | und |
| Upper Sorbian | hsb |
| Urdu | urd |
| Uzbek | uzb |
| Vai | vai |
| Venda | ven |
| Vietnamese | vie |
| Volapük | vol |
| Votic | vot |
| Wakashan languages | wak |
| Walloon | wln |
| Waray | war |
| Washo | was |
| Welsh | wel |
| Western Frisian | fry |
| Wolaitta; Wolaytta | wal |
| Wolof | wol |
| Xhosa | xho |
| Yakut | sah |
| Yao | yao |
| Yapese | yap |
| Yiddish | yid |
| Yoruba | yor |
| Yupik languages | ypk |
| Zande languages | znd |
| Zapotec | zap |
| Zaza; Dimili; Dimli; Kirdki; Kirmanjki; Zazaki | zza |
| Zenaga | zen |
| Zhuang; Chuang | zha |
| Zulu | zul |
| Zuni | zun |