plural vs deep pockets

plural and deep pockets both are nouns.

Word	Noun	Adjective	Verb	Adverb
plural	Yes	Yes	No	No
deep pockets	Yes	No	No	No

plural (noun)	deep pockets (noun)
the form of a word that is used to denote more than one	(plural) a source of substantial wealth

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