fellow vs tovarich

fellow and tovarich both are nouns.

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

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

Other hyponyms of fellow include date, escort, playfellow, playmate, tovarisch.

fellow (noun)	tovarich (noun)
a boy or man	a comrade (especially in Russian communism)
a man who is the lover of a man or woman
a friend who is frequently in the company of another
a person who is member of one's class or profession
an informal form of address for a man
a member of a learned society
one of a pair