footlights vs plural

footlights and plural both are nouns.

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

footlights (noun)	plural (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

footlights (adjective)	plural (adjective)
	grammatical number category referring to two or more items or units
	composed of more than one member, set, or kind