colloquialism vs pally

colloquialism is a noun but pally is not a noun.

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

colloquialism (noun)	pally (noun)
a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech

colloquialism (adjective)	pally (adjective)
	(used colloquially) having the relationship of friends or pals