roughly vs colloquialism

roughly is not a noun while colloquialism is a noun.

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

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

roughly (adverb)	colloquialism (adverb)
(of quantities) imprecise but fairly close to correct
with rough motion as over a rough surface
with roughness or violence (`rough' is an informal variant for `roughly')