bell-bottoms vs plural

bell-bottoms and plural both are nouns.

Word	Noun	Adjective	Verb	Adverb
bell-bottoms	Yes	No	No	No
plural	Yes	Yes	No	No

bell-bottoms (noun)	plural (noun)
(used in the plural) trousers with legs that flare; worn by sailors; absurdly wide hems were fashionable in the 1960s	the form of a word that is used to denote more than one

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