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

The most common answer is shelley (7 letters).

Crossword clue: wrote the last man

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

shelley 7 letters wd-fact-v3

Englishman and romantic poet (1792-1822)

wrote the end of history and the last man 60% similar → fukuyama

author of the last man 50% similar → shelley

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 fate of a man 50% similar → sholokhov

wrote if this is a man 50% similar → levi