plural form vs sweepstakes

plural form and sweepstakes both are nouns.

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

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