indigen vs Russian

indigen and Russian both are nouns.

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

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

Other hyponyms of indigen include Levantine, Mauritian, Filipino, Seychellois.

indigen (noun)	Russian (noun)
an indigenous person who was born in a particular place	the Slavic language that is the official language of Russia
	a native or inhabitant of Russia

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