sweatpants vs plural

sweatpants and plural both are nouns.

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

sweatpants (noun)	plural (noun)
loose-fitting trousers with elastic cuffs; worn by athletes	the form of a word that is used to denote more than one

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