etching vs engraving

etching and engraving both are nouns.

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

As nouns, etching and engraving are synonyms defined as:

etching and engraving: making engraved or etched plates and printing designs from them

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

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

etching (noun)	engraving (noun)
making engraved or etched plates and printing designs from them	making engraved or etched plates and printing designs from them
an etched plate made with the use of acid	a block or plate or other hard surface that has been engraved
an impression made from an etched plate	a print made from an engraving