colloquialism vs optic

colloquialism and optic both are nouns.

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

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

colloquialism (adjective)	optic (adjective)
	of or relating to or resembling the eye
	relating to or using sight