How many letters does the top answer for “another word for punch” have?

The most common answer is biff (4 letters).

Crossword clue: another word for punch

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

biff 4 letters gen-syn

(boxing) a blow with the fist

clout 5 letters gen-syn

(boxing) a blow with the fist

lick 4 letters gen-syn

beat thoroughly and conclusively in a competition or fight

poke 4 letters gen-syn

poke or thrust abruptly

another word for about 50% similar → approximately, roughly, some

another word for terms 50% similar → footing

another word for under 50% similar → nether

another word for word 50% similar → phrase