gallows vs plural form

gallows and plural form both are nouns.

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

gallows (noun)	plural form (noun)
an instrument of execution consisting of a wooden frame from which a condemned person is executed by hanging	the form of a word that is used to denote more than one