How many letters does the top answer for “wrote blue velvet” have?

The most common answer is hopper (6 letters).

Crossword clue: wrote blue velvet

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

hopper 6 letters wd-fact-v3

funnel-shaped receptacle; contents pass by gravity into a receptacle below

lynch 5 letters wd-fact-v3

kill without legal sanction

wrote blue 67% similar → mitchell

author of blue velvet 50% similar → hopper, lynch

composer of blue velvet 50% similar → badalamenti, lynch

director of blue velvet 50% similar → hopper

wrote blue dragon 50% similar → toriyama

wrote the blue bird 50% similar → daulnoy, maeterlinck

wrote the blue castle 50% similar → montgomery