colloquialism vs maffia

colloquialism and maffia both are nouns.

Word	Noun	Adjective	Verb	Adverb
colloquialism	Yes	No	No	No
maffia	Yes	No	No	No

colloquialism (noun)	maffia (noun)
a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech	any tightly knit group of trusted associates