sweetly vs colloquialism

sweetly is not a noun while colloquialism is a noun.

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

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

sweetly (adverb)	colloquialism (adverb)
in an affectionate or loving manner (`sweet' is sometimes a poetic or informal variant of `sweetly')