Siouan vs Catawba

Siouan and Catawba both are nouns.

Word	Noun	Adjective	Verb	Adverb
Siouan	Yes	Yes	No	No
Catawba	Yes	No	No	No

As nouns, Catawba is a hyponym of Siouan; that is, Catawba is a word with a more specific, narrower meaning than Siouan:

As nouns, Catawba is a hyponym of Siouan; that is, Catawba is a word with a more specific, narrower meaning than Siouan:

Siouan: 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
Catawba: a member of the Siouan people formerly living in the Carolinas

Siouan (noun)	Catawba (noun)
a family of North American Indian languages spoken by the Sioux	the Siouan language spoken by the Catawba
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	slipskin grape; a reddish American table grape
	a member of the Siouan people formerly living in the Carolinas

Siouan (adjective)	Catawba (adjective)
of or relating to the Sioux people or their language and culture