colloquialism vs somewhere

colloquialism and somewhere both are nouns.

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

colloquialism (noun)	somewhere (noun)
a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech	an indefinite or unknown location

colloquialism (adverb)	somewhere (adverb)
	in or at or to some place