How many letters does the top answer for “wrote a fistful of dollars” have?

The most common answer is leone (5 letters).

Crossword clue: wrote a fistful of dollars

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

leone 5 letters wd-fact-v3

the basic unit of money in Sierra Leone; equal to 100 cents

author of a fistful of dollars 50% similar → leone

composer of a fistful of dollars 50% similar → leone

director of a fistful of dollars 50% similar → leone