How many letters does the top answer for “carve, cut, or etch into a material or surface” have?

The most common answer is engrave (7 letters).

Crossword clue: carve, cut, or etch into a material or surface

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

engrave 7 letters wn-def

carve, cut, or etch into a material or surface

grave 5 letters wn-def

a place for the burial of a corpse (especially beneath the ground and marked by a tombstone)

inscribe 8 letters wn-def

carve, cut, or etch into a material or surface