How many letters does the top answer for “utter in an angry, sharp, or abrupt tone” have?

The most common answer is snap (4 letters).

Crossword clue: utter in an angry, sharp, or abrupt tone

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

snap 4 letters wn-def

utter in an angry, sharp, or abrupt tone

snarl 5 letters wn-def

utter in an angry, sharp, or abrupt tone