Vertical vowel systems

language native to Ireland

major branch of Chinese spoken across most of northern and southwestern China

Northwest Caucasian language native to northwestern Georgia

one of the official languages of the Republic of Adygea in Russia

Northwest Caucasian language

language of the Caucasus mountains in the Russian Karachay–Cherkess Republic by the Abazins

Micronesian language

extinct Northwest Caucasian language once spoken by the Ubykh people

Papuan language family

Aboriginal language occurring in the Northern Territory, Australia

Chadic language spoken in West Africa

Extinct Native American language

language

Australian Aboriginal language