How many letters does the top answer for “wrote 3001: the final odyssey” have?

The most common answer is clarke (6 letters).

Crossword clue: wrote 3001: the final odyssey

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

clarke 6 letters wd-fact-v3

wrote odyssey 67% similar → andronicus

author of 3001: the final odyssey 50% similar → clarke

wrote 2001: a space odyssey 50% similar → clarke, kubrick

wrote 2061: odyssey three 50% similar → clarke