clique vs ingroup

clique and ingroup both are nouns.

Word	Noun	Adjective	Verb	Adverb
clique	Yes	No	No	No
ingroup	Yes	No	No	No

As nouns, clique and ingroup are synonyms defined as:

Other synonyms of clique include camp, coterie, inner circle, pack.

clique (noun)	ingroup (noun)
an exclusive circle of people with a common purpose	an exclusive circle of people with a common purpose