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

The most common answer is andersen (8 letters).

Crossword clue: wrote the little mermaid

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

andersen 8 letters wd-fact-v3

a Danish author remembered for his fairy stories (1805-1875)

author of the little mermaid 50% similar → andersen

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 stuart little 50% similar → white