How many letters does the top answer for “wrote looking backward” have?

The most common answer is bellamy (7 letters).

Crossword clue: wrote looking backward

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

bellamy 7 letters wd-fact-v3

author of looking backward 50% similar → bellamy

wrote looking for alaska 50% similar → green