sweepstakes vs plural form

sweepstakes and plural form both are nouns.

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

sweepstakes (noun)	plural form (noun)
a lottery in which the prize consists of the money paid by the participants	the form of a word that is used to denote more than one