plural vs poor

plural and poor both are nouns.

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

plural (noun)	poor (noun)
the form of a word that is used to denote more than one	people without possessions or wealth (considered as a group)

plural (adjective)	poor (adjective)
grammatical number category referring to two or more items or units	having little money or few possessions
composed of more than one member, set, or kind	lacking in quality or substances
	characterized by or indicating poverty
	of insufficient quantity to meet a need
	deserving or inciting pity