How many letters does the top answer for “a unit of weight for wool equal to about 28 pounds” have?

The most common answer is tod (3 letters).

Crossword clue: a unit of weight for wool equal to about 28 pounds

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

tod 3 letters wn-def

a unit of weight for wool equal to about 28 pounds