How many letters does the top answer for “produce a literary work” have?

The most common answer is indite (6 letters).

Crossword clue: produce a literary work

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

indite 6 letters wn-def

produce a literary work

pen 3 letters wn-def

a writing implement with a point from which ink flows

write 5 letters wn-def

produce a literary work

a writer of literary works 50% similar → essayist, litterateur