Siouan languages
Siouan or Siouan–Catawban is a language family of North America that is located primarily in the Great Plains, Ohio and Mississippi valleys and southeastern North America with a few other languages in the east.
Siraya language
Several Siraya communities have been involved in a Sirayan cultural and language revitalization movement for more than a decade. Through linguistic research and language teaching, the natives are 'awaking' their mother tongue that has been 'dormant' for a century. Today a group of Siraya children in Xinhua District of Tainan particularly in Kou-pei and Chiou Chen Lin area are able to speak and sing in the Siraya language.