How many letters does the top answer for “documentary film scientist” have?

The most common answer is mesa (4 letters).

Crossword clue: documentary film scientist

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

mesa 4 letters wd-fact-v3

a city in Arizona just to the east of Phoenix; originally a suburb of Phoenix

film scientist 67% similar → bykov, deleuze, tarkovsky

film acting scientist 50% similar → riva

film direction scientist 50% similar → basov, menshov, mikhalkov

film production scientist 50% similar → berling, menshov

film score scientist 50% similar → rota

film screenwriting scientist 50% similar → basov, menshov, mikhalkov

history of film scientist 50% similar → osborne, riva