plural vs knickers

plural and knickers both are nouns.

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

plural (noun)	knickers (noun)
the form of a word that is used to denote more than one	(used in the plural) underpants worn by women
	(used in the plural) trousers ending above the knee

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