topiary vs art

topiary and art both are nouns.

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

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

Other hypernyms of topiary include artistic creation, artistic production.

topiary (noun)	art (noun)
making decorative shapes by trimming shrubs or trees	the creation of beautiful or significant things
a garden having shrubs clipped or trimmed into decorative shapes especially of animals	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