How many letters does the top answer for “a muscle that produces or assists in pronation” have?

The most common answer is pronator (8 letters).

Crossword clue: a muscle that produces or assists in pronation

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

pronator 8 letters wn-def

a muscle that produces or assists in pronation

a muscle which produces pronation. 75% similar → pronator