colloquialism vs pep talk

colloquialism and pep talk both are nouns.

Word	Noun	Adjective	Verb	Adverb
colloquialism	Yes	No	No	No
pep talk	Yes	No	No	No

colloquialism (noun)	pep talk (noun)
a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech	a speech of exhortation attempting to instill enthusiasm and determination in a team or staff