tovarich vs companion

tovarich and companion both are nouns.

Word	Noun	Adjective	Verb	Adverb
tovarich	Yes	No	No	No
companion	Yes	No	Yes	No

As nouns, companion is a hypernym of tovarich; that is, companion is a word with a broader meaning than tovarich:

Other hypernyms of tovarich include associate, comrade, familiar, fellow.

tovarich (noun)	companion (noun)
a comrade (especially in Russian communism)	a friend who is frequently in the company of another
	one paid to accompany or assist or live with another
	a traveler who accompanies you

tovarich (verb)	companion (verb)
	be a companion to somebody