artificial flower vs art

artificial flower and art both are nouns.

Word	Noun	Adjective	Verb	Adverb
artificial flower	Yes	No	No	No
art	Yes	No	No	No

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

Other hypernyms of artificial flower include fine art.

artificial flower (noun)	art (noun)
a handmade imitation of a blossom	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