Western Siouan languages
The Western Siouan languages, also called Siouan proper or simply Siouan, are a large language family native to North America. They are closely related to the Catawban languages, sometimes called Eastern Siouan, and together with them constitute the Siouan (Siouan–Catawban) language family.
Kiowa language
Kiowa or Cáuijògà/Cáuijò:gyà (″language of the Cáuigù (Kiowa)″) is a Tanoan language spoken by the Kiowa Tribe of Oklahoma in primarily Caddo, Kiowa, and Comanche counties. The Kiowa tribal center is located in Carnegie. Like most North American languages, Kiowa is an endangered language.