peoples vs plural

peoples and plural both are nouns.

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

peoples (noun)	plural (noun)
the human beings of a particular nation or community or ethnic group	the form of a word that is used to denote more than one

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