killing vs colloquialism

killing and colloquialism both are nouns.

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

killing (noun)	colloquialism (noun)
the act of terminating a life	a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech
an event that causes someone to die
a very large profit

killing (adjective)	colloquialism (adjective)
very funny