How many letters does the top answer for “a rhythmical work song originally sung by sailors” have?

The most common answer is chantey (7 letters).

Crossword clue: a rhythmical work song originally sung by sailors

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

chantey 7 letters wn-def

a rhythmical work song originally sung by sailors

chanty 6 letters wn-def

a rhythmical work song originally sung by sailors