• alt - Southern Altai
  • arc - Official Aramaic (700-300 BCE)
  • aar - Afar
  • abk - Abkhazian
  • ace - Achinese
  • ach - Acoli
  • ada - Adangme
  • ady - Adyghe
  • afa - Afro-Asiatic languages
  • afh - Afrihili
  • afr - Afrikaans
  • ain - Ainu (Japan)
  • aka - Akan
  • akk - Akkadian
  • alb / sqi - Albanian
  • ale - Aleut
  • alg - Algonquian languages
  • amh - Amharic
  • ang - Old English (ca. 450-1100)
  • anp - Angika
  • apa - Apache languages
  • ara - Arabic
  • arg - Aragonese
  • arm / hye - Armenian
  • arn - Mapudungun
  • arp - Arapaho
  • art - Artificial languages
  • arw - Arawak
  • asm - Assamese
  • ast - Asturian
  • ath - Athapascan languages
  • aus - Australian languages
  • ava - Avaric
  • ave - Avestan
  • awa - Awadhi
  • aym - Aymara
  • aze - Azerbaijani
  • map - Austronesian languages
  • tut - Altaic languages
  • cai - Central American Indian languages
  • cpe - Creoles and pidgins, English based
  • cpf - Creoles and pidgins, French-based
  • cpp - Creoles and pidgins, Portuguese-based
  • crp - Creoles and pidgins
  • gba - Gbaya (Central African Republic)
  • grc - Greek, Ancient
  • ina - Interlingua (International Auxiliary Language Association)
  • nai - North American Indian languages
  • sai - South American Indian (Other)
  • sam - Samaritan Aramaic