colloquialism vs charley-horse

colloquialism and charley-horse both are nouns.

Word	Noun	Adjective	Verb	Adverb
colloquialism	Yes	No	No	No
charley-horse	Yes	No	No	No

colloquialism (noun)	charley-horse (noun)
a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech	a muscular cramp (especially in the thigh or calf) following vigorous exercise