slowly vs colloquialism

slowly is not a noun while colloquialism is a noun.

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

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

slowly (adverb)	colloquialism (adverb)
in music
without speed (`slow' is sometimes used informally for `slowly')