plural form vs trousers

plural form and trousers both are nouns.

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

plural form (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