bleachers vs plural form

bleachers and plural form both are nouns.

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

bleachers (noun)	plural form (noun)
(used in the plural) an outdoor grandstand without a roof; patrons are exposed to the sun as linens are when they are bleached	the form of a word that is used to denote more than one