boards vs plural form

boards and plural form both are nouns.

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

boards (noun)	plural form (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