How many letters does the top answer for “wrote white teeth” have?

The most common answer is smith (5 letters).

Crossword clue: wrote white teeth

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

smith 5 letters wd-fact-v3

someone who works metal (especially by hammering it when it is hot and malleable)

author of white teeth 50% similar → smith

wrote the white castle 50% similar → pamuk

wrote the white goddess 50% similar → graves

wrote the white guard 50% similar → bulgakov

wrote the white ship 50% similar → aitmatov

wrote the woman in white 50% similar → collins

wrote white fang 50% similar → london

wrote white noise 50% similar → delillo