friendship vs company

friendship and company both are nouns.

Word	Noun	Adjective	Verb	Adverb
friendship	Yes	No	No	No
company	Yes	No	Yes	No

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

Other hyponyms of friendship include blood brotherhood, companionship, fellowship, society, confidence, trust.

friendship (noun)	company (noun)
the state of being friends (or friendly)	a social gathering of guests or companions
	an institution created to conduct business
	organization of performers and associated personnel (especially theatrical)
	small military unit; usually two or three platoons
	crew of a ship including the officers; the whole force or personnel of a ship
	a unit of firefighters including their equipment
	a band of people associated temporarily in some activity
	a social or business visitor
	the state of being with someone

friendship (verb)	company (verb)
	be a companion to somebody