one vs colloquialism

one and colloquialism both are nouns.

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

one (noun)	colloquialism (noun)
a single person or thing	a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech
the smallest whole number or a numeral representing this number

one (adjective)	colloquialism (adjective)
used of a single unit or thing; not two or more
being a single entity made by combining separate components
(informal) very; used informally as an intensifier
eminent beyond or above comparison
indefinite in time or position
of the same kind or quality
having the indivisible character of a unit