colloquialism vs slowly

colloquialism is a noun but slowly is not a noun.

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

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

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