gravure vs engraving

gravure and engraving both are nouns.

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

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

gravure (noun)	engraving (noun)
the act of intaglio printing	making engraved or etched plates and printing designs from them
an intaglio print produced by gravure	a block or plate or other hard surface that has been engraved
a printing plate used in the process of gravure	a print made from an engraving
a printing process that uses an etched or engraved plate; the plate is smeared with ink and wiped clean, then the ink left in the recesses makes the print