- A-Pucikwar language
- Achuar-Shiwiar language
- Afro-Asiatic languages
- Afro-Seminole Creole language
- Aghu-Tharnggala language
- Ai-Cham language
- Aka-Bea language
- Aka-Bo language
- Aka-Cari language
- Aka-Jeru language
- Aka-Kede language
- Aka-Kol language
- Aka-Kora language
- Akar-Bale language
- Al-Sayyid Bedouin Sign Language
- Alaba-K’abeena language
- Alumu-Tesu language
- Alviri-Vidari language
- Ambo-Pasco Quechua language
- Andra-Hus language
- Anglo-Norman language
- Anu-Hkongso Chin language
- Apasco-Apoala Mixtec language
- Aralle-Tabulahan language
- Aranama-Tamique language
- Arequipa-La Unión Quechua language
- Arifama-Miniafia language
- Arop-Lokep language
- Arop-Sissano language
- Assyrian Neo-Aramaic language
- Atlantic-Congo languages → Atlantic–Congo languages
- Austro-Asiatic languages
- Avá-Canoeiro language
- Awa-Cuaiquer language
- Bafaw-Balong language
- Bago-Kusuntu language
- Bainouk-Gunyaamolo language
- Bainouk-Gunyuño language
- Bainouk-Samik language
- Balanta-Ganja language
- Balanta-Kentohe language
- Baluan-Pam language
- Bambili-Bambui language
- Banda-Bambari language
- Banda-Banda language
- Banda-Mbrès language
- Banda-Ndélé language
- Banda-Yangere language
- Barasana-Eduria language
- Barzani Jewish Neo-Aramaic language
- Basa-Gumna language
- Basa-Gurmana language
- Bassa-Kontagora language
- Batak Alas-Kluet language
- Bete-Bendi language
- Biao-Jiao Mien language
- Bo-Rukul language
- Bo-Ung language
- Bohtan Neo-Aramaic language
- Bom-Kim language
- Borana-Arsi-Guji Oromo language
- Bote-Majhi language
- Bu-Nao Bunu language
- Budong-Budong language
- Bukar-Sadung Bidayuh language → Bukar–Sadong language
- Bura-Pabir language
- Butmas-Tur language
- Cakchiquel-Quiché Mixed Language
- Cakfem-Mushere language
- Candoshi-Shapra language
- Cashibo-Cacataibo language
- Central Malayo-Polynesian languages
- Central-Eastern Niger Fulfulde language
- Chaldean Neo-Aramaic language
- Chichimeca-Jonaz language
- Chonyi-Dzihana-Kauma language
- Cia-Cia language
- Cinda-Regi-Tiyal language
- Cocama-Cocamilla language
- Columbia-Wenatchi language
- Cutchi-Swahili language
- Daho-Doo language
- Daro-Matu Melanau language
- Dawera-Daweloor language
- Dela-Oenale language
- Dhangu-Djangu language
- Digaro-Mishmi language
- Dijim-Bwilim language
- Diuxi-Tilantongo Mixtec language
- Doko-Uyanga language
- Doromu-Koki language
- Duli-Gey language
- Eastern Malayo-Polynesian languages → Central–Eastern Malayo-Polynesian languages
- Emai-Iuleha-Ora language
- Emberá-Baudó language
- Emberá-Catío language
- Emberá-Chamí language
- Emberá-Tadó language
- Enawené-Nawé language
- English-based creoles and pidgins language
- Epi-Olmec language
- Eskimo-Aleut languages → Eskimo–Aleut languages
- Ewage-Notu language
- Filomena Mata-Coahuitlán Totonac language
- Finland-Swedish Sign Language
- Finno-Ugrian languages
- French-based creoles and pidgins language
- Futuna-Aniwa language
- Gabi-Gabi language
- Gabrielino-Fernandeño language
- Gamo-Ningi language
- Garig-Ilgar language
- Gawar-Bati language
- Gbati-ri language
- Gbaya-Bossangoa language
- Gbaya-Bozoum language
- Gbaya-Mbodomo language
- Gbiri-Niragu language
- Geser-Gorom language
- Glaro-Twabo language
- Glio-Oubi language
- Guduf-Gava language
- Guhu-Samane language
- Gupa-Abawa language
- Gurr-goni language
- Guruntum-Mbaaru language
- Gwamhi-Wuri language
- Hamer-Banna language
- Havasupai-Walapai-Yavapai language → Havasupai–Hualapai language
- Hiberno-Scottish Gaelic language
- Hmong-Mien languages → Hmong–Mien languages
- Ho-Chunk language
- Huamalíes-Dos de Mayo Huánuco Quechua language
- Hun-Saare language
- Hunjara-Kaina Ke language
- I-Wak language
- Iceve-Maci language
- Idakho-Isukha-Tiriki language
- Idu-Mishmi language
- Ija-Zuba language
- Ikoma-Nata-Isenye language
- Iku-Gora-Ankwa language
- Indo-European languages
- Indo-Iranian languages
- Indo-Portuguese language
- Inoke-Yate language
- Iowa-Oto language
- Isthmus-Cosoleacaque Nahuatl language
- Isthmus-Mecayapan Nahuatl language
- Isthmus-Pajapan Nahuatl language
- Ivbie North-Okpela-Arhe language
- Izi-Ezaa-Ikwo-Mgbo language
- Jofotek-Bromnya language
- Jola-Fonyi language
- Jola-Kasa language
- Judeo-Arabic language
- Judeo-Berber language
- Judeo-Georgian language
- Judeo-Iraqi Arabic language
- Judeo-Italian language
- Judeo-Moroccan Arabic language
- Judeo-Persian language
- Judeo-Tat language
- Judeo-Tripolitanian Arabic language
- Judeo-Tunisian Arabic language
- Judeo-Yemeni Arabic language
- Jwira-Pepesa language
- Kachama-Ganjule language
- Kacipo-Bale Suri language
- Kairui-Midiki language
- Kalispel-Pend d'Oreille language
- Kango (Bas-Uélé District) language
- Kaningdon-Nindem language
- Kanowit-Tanjong Melanau language
- Kara-Kalpak language
- Karachay-Balkar language
- Karirí-Xocó language
- Karkar-Yuri language
- Katcha-Kadugli-Miri language
- Keerray-Woorroong language
- Keley-I Kallahan language
- Kenuzi-Dongola language
- Keoru-Ahia language
- [[Khalaj [Indo-Iranian] language]]
- Kinaray-A language
- Kir-Balar language
- Kirya-Konzəl language
- Kla-Dan language
- Klamath-Modoc language
- Kok-Nar language
- Komi-Permyak language
- Komi-Zyrian language
- Konda-Dora language
- Korafe-Yegha language
- Koresh-e Rostam language
- Korupun-Sela language
- Krikati-Timbira language
- Kua-nsi language
- Kudu-Camo language
- Kugu-Muminh language
- Kuikúro-Kalapálo language
- Kuku-Mangk language
- Kuku-Mu'inh language
- Kuku-Ugbanh language
- Kuku-Uwanh language
- Kuku-Yalanji language
- Kulon-Pazeh language
- Kung-Ekoka language
- Kuni-Boazi language
- Kuuk-Yak language
- Kuuku-Ya'u language
- Kwalhioqua-Tlatskanai language
- Kyan-Karyaw Naga language
- Labuk-Kinabatangan Kadazan language
- Laeko-Libuat language
- Lala-Bisa language
- Lala-Roba language
- Lamja-Dengsa-Tola language
- Lapaguía-Guivini Zapotec language
- Larike-Wakasihu language
- Lavatbura-Lamusong language
- Lega-Mwenga language
- Lega-Shabunda language
- Lesing-Gelimi language
- Liana-Seti language
- Lisabata-Nuniali language
- Lo-Toga language
- Loreto-Ucayali Spanish language
- Luba-Katanga language
- Luba-Lulua language
- Lumba-Yakkha language
- Macedo-Romanian language
- Mag-Indi Ayta language
- Mag-antsi Ayta language
- Makhuwa-Marrevone language
- Makhuwa-Meetto language
- Makhuwa-Moniga language
- Makhuwa-Saka language
- Makhuwa-Shirima language
- Malayo-Polynesian languages
- Malecite-Passamaquoddy language
- Maleu-Kilenge language
- Mambwe-Lungu language
- Manna-Dora language
- Margos-Yarowilca-Lauricocha Quechua language → Alto Pativilca–Alto Marañón–Alto Huallaga Quechua
- Mator-Taygi-Karagas language
- Mayi-Kulan language
- Mayi-Thakurti language
- Mayi-Yapi language
- Mbariman-Gudhinma language
- Mbula-Bwazza language
- Mel-Khaonh language
- Mele-Fila language
- Mendankwe-Nkwen language
- Mescalero-Chiricahua Apache language
- Mid-Southern Banda language
- Miju-Mishmi language
- Misima-Panaeati language
- Mofu-Gudur language
- Mohegan-Montauk-Narragansett language
- Mohegan-Pequot language
- Mon-Khmer languages
- Mouk-Aria language
- Mro-Khimi Chin language
- Muak Sa-aak language
- Mukha-Dora language
- Murrinh-Patha language
- Mussau-Emira language
- Mwimbi-Muthambi language
- Na-Dene languages
- Na-kara language
- Namosi-Naitasiri-Serua language
- Nde-Gbite language
- Nde-Nsele-Nta language
- Ndyuka-Trio Pidgin language
- Neo-Hittite language
- Niger-Kordofanian languages → Niger–Congo languages
- Nilo-Saharan languages
- Nkem-Nkum language
- Northern Amami-Oshima language
- Nottoway-Meherrin language
- Nupe-Nupe-Tako language
- Nuu-chah-nulth language
- Nyakyusa-Ngonde language
- Nyamusa-Molo language
- Nyanga-li language
- Ná-Meo language
- Nêlêmwa-Nixumwak language
- Oki-No-Erabu language
- Oko-Eni-Osayen language
- Oko-Juwoi language
- Olulumo-Ikom language
- Omaha-Ponca language → Omaha–Ponca language
- Oto-Manguean languages
- Pa-Hng language
- Pahari-Potwari language
- Pak-Tong language
- Parsi-Dari language
- Pataxó Hã-Ha-Hãe language
- Pele-Ata language
- Phong-Kniang language
- Pinai-Hagahai language
- Pintupi-Luritja language
- Pitcairn-Norfolk language
- Piya-Kwonci language
- Ponyo-Gongwang Naga language
- Portuguese-based creoles and pidgins language
- Pu-Xian Chinese language
- Punan Bah-Biau language
- Puyo-Paekche language
- Quioquitani-Quierí Zapotec language
- Rakahanga-Manihiki language
- Rennell-Bellona language
- Romano-Greek language
- Romano-Serbian language
- Saafi-Saafi language
- Salt-Yui language
- Sanglechi-Ishkashimi language
- Saniyo-Hiyewe language
- Sateré-Mawé language
- Seit-Kaitetu language
- Serbo-Croatian language
- Serui-Laut language
- Shall-Zwall language
- Shama-Sambuga language
- Shipibo-Conibo language
- Shoo-Minda-Nye language
- Shuwa-Zamani language
- Siar-Lak language
- Sino-Tibetan languages
- Somba-Siawari language
- Sori-Harengan language
- Southern Amami-Oshima language
- Suba-Simbiti language
- Sumo-Mayangna language
- Swiss-French Sign Language
- Swiss-German Sign Language
- Swiss-Italian Sign Language
- Ta'izzi-Adeni Arabic language
- Talinga-Bwisi language
- Tandroy-Mahafaly Malagasy language
- Tanimuca-Retuarã language
- Teke-Ebo language
- Teke-Fuumu language
- Teke-Kukuya language
- Teke-Laali language
- Teke-Nzikou language
- Teke-Tege language
- Teke-Tsaayi language
- Teke-Tyee language
- Tela-Masbuar language
- Tibeto-Burman languages
- Tingui-Boto language
- Tirmaga-Chai Suri language
- Toba-Maskoy language
- Togbo-Vara Banda language
- Toku-No-Shima language
- Toraja-Sa'dan language
- Trans-New Guinea languages → Trans–New Guinea languages
- Tringgus-Sembaan Bidayuh language
- Ts'ün-Lao language
- Tulu-Bohuai language
- Tuma-Irumu language
- Ucayali-Yurúa Ashéninka language
- Ukpe-Bayobiri language
- Ukpet-Ehom language
- Ukwuani-Aboh-Ndoni language
- Ulau-Suain language
- Umbu-Ungu language
- Uripiv-Wala-Rano-Atchin language
- Uru-Eu-Wau-Wau language
- Uru-Pa-In language
- Urubú-Kaapor Sign Language
- Urubú-Kaapor language
- Ute-Southern Paiute language
- Uto-Aztecan languages
- Vaghat-Ya-Bijim-Legeri language
- Varhadi-Nagpuri language
- Vemgo-Mabas language
- Waimiri-Atroari language
- Wangaaybuwan-Ngiyambaa language
- War-Jaintia language
- Warkay-Bipim language
- Wasco-Wishram language
- West-Central Limba language
- Western Malayo-Polynesian languages
- Western Neo-Aramaic language
- Wik-Epa language
- Wik-Iiyanh language
- Wik-Keyangan language
- Wik-Me'anha language
- Wik-Mungkan language
- Wotapuri-Katarqalai language
- Wuding-Luquan Yi language
- Wuvulu-Aua language
- Yan-nhangu language
- Yan-nhaŋu Sign Language
- Yessan-Mayo language
- Yirrk-Mel language
- Zacatlán-Ahuacatlán-Tepetzintla Nahuatl language
- Zayse-Zergulla language
- Zhang-Zhung language
- Zulgo-Gemzek language
- us-Saare language
- ut-Hun language
- ut-Ma'in language
