cop vs colloquialism

cop and colloquialism both are nouns.

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

cop (noun)	colloquialism (noun)
uncomplimentary terms for a policeman	a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech

cop (verb)	colloquialism (verb)
take into custody
take by theft