How many letters does the top answer for “a loosely woven coarse fabric of cotton or linen; used in clothing” have?

The most common answer is hopsack (7 letters).

Crossword clue: a loosely woven coarse fabric of cotton or linen; used in clothing

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

hopsack 7 letters wn-def

a loosely woven coarse fabric of cotton or linen; used in clothing

hopsacking 10 letters wn-def

a loosely woven coarse fabric of cotton or linen; used in clothing