art vs printmaking

art and printmaking both are nouns.

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

As nouns, printmaking is a hyponym of art; that is, printmaking is a word with a more specific, narrower meaning than art:

art: the creation of beautiful or significant things
printmaking: artistic design and manufacture of prints as woodcuts or silkscreens

art (noun)	printmaking (noun)
the creation of beautiful or significant things	artistic design and manufacture of prints as woodcuts or silkscreens
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