Siouan vs Tashunca-Uitco

Siouan and Tashunca-Uitco both are nouns.

Word	Noun	Adjective	Verb	Adverb
Siouan	Yes	Yes	No	No
Tashunca-Uitco	Yes	No	No	No

Siouan (noun)	Tashunca-Uitco (noun)
a family of North American Indian languages spoken by the Sioux	a chief of the Sioux who resisted the invasion of the Black Hills and joined Sitting Bull in the defeat of General Custer at Little Bighorn (1849-1877)
a member of a group of North American Indian peoples who spoke a Siouan language and who ranged from Lake Michigan to the Rocky Mountains

Siouan (adjective)	Tashunca-Uitco (adjective)
of or relating to the Sioux people or their language and culture