How many letters does the top answer for “wrote worker's marseillaise” have?

The most common answer is lisle (5 letters).

Crossword clue: wrote worker's marseillaise

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

lisle 5 letters wd-fact-v3

a strong tightly twisted cotton thread

author of worker's marseillaise 50% similar → lisle

composer of worker's marseillaise 50% similar → lisle

wrote la marseillaise 50% similar → lisle