plural vs trousers

plural and trousers both are nouns.

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

plural (noun)	trousers (noun)
the form of a word that is used to denote more than one	(usually in the plural) a garment extending from the waist to the knee or ankle, covering each leg separately

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