How many letters does the top answer for “a renaissance woodwind with a double reed and a curving tube (crooked horn)” have?

The most common answer is crumhorn (8 letters).

Crossword clue: a renaissance woodwind with a double reed and a curving tube (crooked horn)

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

crumhorn 8 letters wn-def

a Renaissance woodwind with a double reed and a curving tube (crooked horn)

krummhorn 9 letters wn-def

a Renaissance woodwind with a double reed and a curving tube (crooked horn)