familiar vs tovarich

familiar and tovarich both are nouns.

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

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

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

familiar (noun)	tovarich (noun)
a spirit (usually in animal form) that acts as an assistant to a witch or wizard	a comrade (especially in Russian communism)
a person attached to the household of a high official (as a pope or bishop) who renders service in return for support
a friend who is frequently in the company of another

familiar (adjective)	tovarich (adjective)
well known or easily recognized
within normal everyday experience; common and ordinary; not strange
having mutual interests or affections; of established friendship
(usually followed by `with') well informed about or knowing thoroughly