boxershorts vs plural

boxershorts and plural both are nouns.

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

boxershorts (noun)	plural (noun)
underpants worn by men	the form of a word that is used to denote more than one

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