folks vs plural

folks and plural both are nouns.

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

folks (noun)	plural (noun)
your parents	the form of a word that is used to denote more than one
people in general (often used in the plural)

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