artwork vs art

artwork and art both are nouns.

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

As nouns, artwork and art are synonyms defined as:

artwork and art: photographs or other visual representations in a printed publication

Other synonyms of artwork include graphics, nontextual matter.

artwork (noun)	art (noun)
photographs or other visual representations in a printed publication	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