How many letters does the top answer for “a heavy long-handled hammer used to drive stakes or wedges” have?

The most common answer is maul (4 letters).

Crossword clue: a heavy long-handled hammer used to drive stakes or wedges

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

maul 4 letters wn-def

a heavy long-handled hammer used to drive stakes or wedges

sledge 6 letters wn-def

a heavy long-handled hammer used to drive stakes or wedges

sledgehammer 12 letters wn-def

a heavy long-handled hammer used to drive stakes or wedges