popular vs art

popular is not a noun while art is a noun.

Word	Noun	Adjective	Verb	Adverb
popular	No	Yes	No	No
art	Yes	No	No	No

popular (noun)	art (noun)
	the creation of beautiful or significant things
	the products of human creativity; works of art collectively
	a superior skill that you can learn by study and practice and observation
	photographs or other visual representations in a printed publication

popular (adjective)	art (adjective)
regarded with great favor, approval, or affection especially by the general public
carried on by or for the people (or citizens) at large
(of music or art) new and of general appeal (especially among young people)
representing or appealing to or adapted for the benefit of the people at large