colloquialism vs groovy

colloquialism is a noun but groovy is not a noun.

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

colloquialism (noun)	groovy (noun)
a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech

colloquialism (adjective)	groovy (adjective)
	(British informal) very chic
	excellent