How many letters does the top answer for “one who commits larceny.” have?

The most common answer is larcener (8 letters).

Crossword clue: one who commits larceny.

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

larcener 8 letters web-def

a person who commits larceny

larcenist 9 letters web-def

a person who commits larceny

a person who commits larceny 50% similar → larcener, larcenist