Circassian vs Caucasian

Circassian and Caucasian both are nouns.

Word	Noun	Adjective	Verb	Adverb
Circassian	Yes	No	No	No
Caucasian	Yes	Yes	No	No

As nouns, Caucasian is a hypernym of Circassian; that is, Caucasian is a word with a broader meaning than Circassian:

Circassian: a northern Caucasian language spoken by the Circassian
Caucasian: a number of languages spoken in the Caucasus that are unrelated to languages spoken elsewhere

Other hypernyms of Circassian include Caucasian language.

As nouns, Caucasian is a hypernym of Circassian; that is, Caucasian is a word with a broader meaning than Circassian:

Circassian: a member of the Sunni Muslim people living in northwestern Caucasia
Caucasian: a person of European descent with a light-skinned or pale complexion

Other hypernyms of Circassian include White, White person.

Circassian (noun)	Caucasian (noun)
a northern Caucasian language spoken by the Circassian	a number of languages spoken in the Caucasus that are unrelated to languages spoken elsewhere
a mostly Sunni Muslim community living in northwestern Caucasia	a person of European descent with a light-skinned or pale complexion
a member of the Sunni Muslim people living in northwestern Caucasia

Circassian (adjective)	Caucasian (adjective)
	of or relating to the geographical region of Caucasia
	of or relating to Caucasian people