society vs companionship

society and companionship both are nouns.

Word	Noun	Adjective	Verb	Adverb
society	Yes	No	No	No
companionship	Yes	No	No	No

As nouns, society and companionship are synonyms defined as:

Other synonyms of society include company, fellowship.

society (noun)	companionship (noun)
an extended social group having a distinctive cultural and economic organization	the state of being with someone
a formal association of people with similar interests
the fashionable elite
the state of being with someone