How many letters does the top answer for “wrote captain eo” have?

The most common answer is coppola (7 letters).

Crossword clue: wrote captain eo

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

coppola 7 letters wd-fact-v3

United States filmmaker (born in 1939)

author of captain eo 50% similar → coppola

wrote captain blood 50% similar → sabatini

wrote captain fantastic 50% similar → mortensen