negative stimulation vs colloquialism

negative stimulation and colloquialism both are nouns.

Word	Noun	Adjective	Verb	Adverb
negative stimulation	Yes	No	No	No
colloquialism	Yes	No	No	No

negative stimulation (noun)	colloquialism (noun)
something causing antagonism or loss of interest	a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech