colloquialism vs blue-eyed

colloquialism is a noun but blue-eyed is not a noun.

Word	Noun	Adjective	Verb	Adverb
colloquialism	Yes	No	No	No
blue-eyed	No	Yes	No	No

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

colloquialism (adjective)	blue-eyed (adjective)
	having blue eyes
	favorite