friend vs acquaintance

friend and acquaintance both are nouns.

Word	Noun	Adjective	Verb	Adverb
friend	Yes	No	No	No
acquaintance	Yes	No	No	No

As nouns, friend and acquaintance are synonyms defined as:

friend (noun)	acquaintance (noun)
a person you know well and regard with affection and trust	personal knowledge or information about someone or something
a person with whom you are acquainted	a person with whom you are acquainted
an associate who provides cooperation or assistance	a relationship less intimate than friendship
a person who backs a politician or a team etc.