colloquialism vs bare bones

colloquialism and bare bones both are nouns.

Word	Noun	Adjective	Verb	Adverb
colloquialism	Yes	No	No	No
bare bones	Yes	No	No	No

colloquialism (noun)	bare bones (noun)
a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech	(plural) the most basic facts or elements