How many letters does the top answer for “a japanese measure of length equal to about two and one twelfth yards.” have?

The most common answer is inc (3 letters).

Crossword clue: a japanese measure of length equal to about two and one twelfth yards.

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

inc 3 letters web-def

a heterogeneous collection of groups united in their opposition to Saddam Hussein's government of Iraq; formed in 1992 i