How many letters does the top answer for “author of le million” have?

The most common answer is clair (5 letters).

Crossword clue: author of le million

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

clair 5 letters wd-fact-v3

author of le cid 50% similar → corneille

author of le testament 50% similar → villon

director of le million 50% similar → clair

wrote le million 50% similar → clair