plural vs coal tongs

plural and coal tongs both are nouns.

Word	Noun	Adjective	Verb	Adverb
plural	Yes	Yes	No	No
coal tongs	Yes	No	No	No

plural (noun)	coal tongs (noun)
the form of a word that is used to denote more than one	tongs for taking hold of burning coals

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