proboscis vs colloquialism

proboscis and colloquialism both are nouns.

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

proboscis (noun)	colloquialism (noun)
a long flexible snout as of an elephant	a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech
the human nose (especially when it is large)