How many letters does the top answer for “having or marked by a curve or smoothly rounded bend” have?

The most common answer is curved (6 letters).

Crossword clue: having or marked by a curve or smoothly rounded bend

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

curved 6 letters wn-def

having or marked by a curve or smoothly rounded bend

curving 7 letters wn-def

having or marked by a curve or smoothly rounded bend