etching vs printmaking

etching and printmaking both are nouns.

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

As nouns, printmaking is a hypernym of etching; that is, printmaking is a word with a broader meaning than etching:

etching: making engraved or etched plates and printing designs from them
printmaking: artistic design and manufacture of prints as woodcuts or silkscreens

etching (noun)	printmaking (noun)
making engraved or etched plates and printing designs from them	artistic design and manufacture of prints as woodcuts or silkscreens
an etched plate made with the use of acid
an impression made from an etched plate