How many letters does the top answer for “wrote the king and i” have?

The most common answer is rodgers (7 letters).

Crossword clue: wrote the king and i

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

rodgers 7 letters wd-fact-v3

United States composer of musical comedies (especially in collaboration with Oscar Hammerstein II and with Lorenz Hart)

wrote idylls of the king 67% similar → tennyson

wrote king lear 67% similar → shakespeare

wrote the king in yellow 67% similar → chambers

wrote the king of queens 67% similar → james

wrote the lion king 67% similar → rice, rogen

wrote zabibah and the king 67% similar → hussein

wrote 1q84 50% similar → murakami

wrote 2666 50% similar → bolano