companionship vs society

companionship and society both are nouns.

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

As nouns, companionship and society are synonyms defined as:

Other synonyms of companionship include company, fellowship.

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