colloquialism vs teeny

colloquialism is a noun but teeny is not a noun.

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

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

colloquialism (adjective)	teeny (adjective)
	(used informally) little or tiny