How many letters does the top answer for “wrote the little prince” have?

The most common answer is saintexupery (12 letters).

Crossword clue: wrote the little prince

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

saintexupery 12 letters wd-fact-v3

author of the little prince 50% similar → saintexupery

wrote a little life 50% similar → yanagihara

wrote little brother 50% similar → doctorow

wrote little dorrit 50% similar → dickens

wrote little eyolf 50% similar → ibsen

wrote little nemo 50% similar → mccay

wrote little women 50% similar → alcott

wrote prince of darkness 50% similar → carpenter