boards vs plural

boards and plural both are nouns.

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

boards (noun)	plural (noun)
(used in the plural) the boarding that surrounds an ice hockey rink	the form of a word that is used to denote more than one
(used in the plural) the stage of a theater

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