plural vs greeting

plural and greeting both are nouns.

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

plural (noun)	greeting (noun)
the form of a word that is used to denote more than one	(usually plural) an acknowledgment or expression of good will (especially on meeting)

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