Chukchi vs Siberian

Chukchi and Siberian both are nouns.

Word	Noun	Adjective	Verb	Adverb
Chukchi	Yes	No	No	No
Siberian	Yes	Yes	No	No

As nouns, Siberian is a hypernym of Chukchi; that is, Siberian is a word with a broader meaning than Chukchi:

Chukchi (noun)	Siberian (noun)
an indigenous and isolated language of unknown origin spoken by the Chukchi that is pronounced differently by men and women	a native or inhabitant of Siberia
a member of an indigenous people living on the Chukchi Peninsula

Chukchi (adjective)	Siberian (adjective)
	of or relating to or characteristic of Siberia or the Siberians