square toes vs colloquialism

square toes and colloquialism both are nouns.

Word	Noun	Adjective	Verb	Adverb
square toes	Yes	No	No	No
colloquialism	Yes	No	No	No

square toes (noun)	colloquialism (noun)
a formal and conservative person with old-fashioned views	a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech