footlights vs plural form

footlights and plural form both are nouns.

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

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