plural vs sweatpants

plural and sweatpants both are nouns.

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

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

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