colloquialism vs cushy

colloquialism is a noun but cushy is not a noun.

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

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

colloquialism (adjective)	cushy (adjective)
	not burdensome or demanding; borne or done easily and without hardship