longueur vs art

longueur and art both are nouns.

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

longueur (noun)	art (noun)
a period of dullness or boredom (especially in a work of literature or performing art)	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