How many letters does the top answer for “author of the rose tattoo” have?

The most common answer is williams (8 letters).

Crossword clue: author of the rose tattoo

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

williams 8 letters wd-fact-v3

United States playwright (1911-1983)

author of a rose for emily 50% similar → faulkner

author of the name of the rose 50% similar → eco

wrote the rose tattoo 50% similar → williams