moonstruck vs colloquialism

moonstruck is not a noun while colloquialism is a noun.

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

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

moonstruck (adjective)	colloquialism (adjective)
insane and believed to be affected by the phases of the moon