How many letters does the top answer for “wrote the thin man” have?

The most common answer is hammett (7 letters).

Crossword clue: wrote the thin man

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

hammett 7 letters wd-fact-v3

United States writer of hard-boiled detective fiction (1894-1961)

author of the thin man 50% similar → hammett

wrote a man of the people 50% similar → achebe

wrote amphibian man 50% similar → belyayev

wrote dead man 50% similar → jarmusch

wrote delivery man 50% similar → vaughn

wrote fat and thin 50% similar → chekhov

wrote fate of a man 50% similar → sholokhov

wrote if this is a man 50% similar → levi