kitsch vs art

kitsch and art both are nouns.

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

As nouns, art is a hypernym of kitsch; that is, art is a word with a broader meaning than kitsch:

kitsch: excessively garish or sentimental art; usually considered in bad taste
art: the products of human creativity; works of art collectively

Other hypernyms of kitsch include fine art.

kitsch (noun)	art (noun)
excessively garish or sentimental art; usually considered in bad taste	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