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.
Sika people
The Sika (also Sikanese, Sikka or Sara Sikka) people are an Indonesian ethnic group native to the region of east central Flores between the Bloh and Napung Rivers. In the city of Maumere, the center of the region, Sika people occupy a separate block. The Sika language, which is a member of the Timor-Ambon language family, is spoken by the Sika people. The Sika language have at least three recognized dialects, namely "Sikka Natar" dialect, "Sara Krowe" dialect and "Ata Tana 'Ai" or "Sara Tana 'Ai" dialect.