How many letters does the top answer for “making engraved or etched plates and printing designs from them” have?

The most common answer is engraving (9 letters).

Crossword clue: making engraved or etched plates and printing designs from them

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

engraving 9 letters wn-def

making engraved or etched plates and printing designs from them

etching 7 letters wn-def

making engraved or etched plates and printing designs from them