colors vs plural

colors and plural both are nouns.

Word	Noun	Adjective	Verb	Adverb
colors	Yes	No	No	No
plural	Yes	Yes	No	No

colors (noun)	plural (noun)
a flag that shows its nationality	the form of a word that is used to denote more than one
a distinguishing emblem

colors (adjective)	plural (adjective)
	grammatical number category referring to two or more items or units
	composed of more than one member, set, or kind