How many letters does the top answer for “wrote fight club” have?

The most common answer is palahniuk (9 letters).

Crossword clue: wrote fight club

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

palahniuk 9 letters wd-fact-v3

author of fight club 50% similar → palahniuk

composer of fight club 50% similar → leto

director of fight club 50% similar → fincher, norton

wrote the club dumas 50% similar → perezreverte

wrote the cotton club 50% similar → cage, coppola