alright vs colloquialism

alright is not a noun while colloquialism is a noun.

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

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

alright (adjective)	colloquialism (adjective)
nonstandard usage

alright (adverb)	colloquialism (adverb)
an expression of agreement normally occurring at the beginning of a sentence
without doubt (used to reinforce an assertion)
in a satisfactory or adequate manner