flustered vs colloquialism

flustered is not a noun while colloquialism is a noun.

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

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

flustered (adjective)	colloquialism (adjective)
thrown into a state of agitated confusion; (`rattled' is an informal term)