needlenose pliers vs plural form

needlenose pliers and plural form both are nouns.

Word	Noun	Adjective	Verb	Adverb
needlenose pliers	Yes	No	No	No
plural form	Yes	No	No	No

needlenose pliers (noun)	plural form (noun)
small pliers with long thin jaws for fine work	the form of a word that is used to denote more than one