dodo vs colloquialism

dodo and colloquialism both are nouns.

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

dodo (noun)	colloquialism (noun)
extinct heavy flightless bird of Mauritius related to pigeons	a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech
someone whose style is out of fashion