Selkup vs Russian

Selkup and Russian both are nouns.

Word	Noun	Adjective	Verb	Adverb
Selkup	Yes	No	No	No
Russian	Yes	Yes	No	No

As nouns, Russian is a hypernym of Selkup; that is, Russian is a word with a broader meaning than Selkup:

Selkup (noun)	Russian (noun)
the Uralic language spoken by the Ostyak-Samoyed	the Slavic language that is the official language of Russia
one of the people of mixed Ostyak and Samoyed origin in Siberia	a native or inhabitant of Russia

Selkup (adjective)	Russian (adjective)
	of or pertaining to or characteristic of Russia or its people or culture or language