plural form vs footlights

plural form and footlights both are nouns.

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

plural form (noun)	footlights (noun)
the form of a word that is used to denote more than one	theater light at the front of a stage that illuminate the set and actors