Biloxi vs Siouan

Biloxi and Siouan both are nouns.

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

As nouns, Siouan is a hypernym of Biloxi; that is, Siouan is a word with a broader meaning than Biloxi:

Other hypernyms of Biloxi include Siouan language.

As nouns, Siouan is a hypernym of Biloxi; that is, Siouan is a word with a broader meaning than Biloxi:

Biloxi: a member of the Siouan people of southeastern Mississippi
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

Other hypernyms of Biloxi include Sioux.

Biloxi (noun)	Siouan (noun)
the Siouan language spoken by the Biloxi	a family of North American Indian languages spoken by the Sioux
an old town in southern Mississippi on the Gulf of Mexico	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
a member of the Siouan people of southeastern Mississippi

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