How many letters does the top answer for “which sport is not traditionally played during the mongolian naadam festival” have?

The most common answer is american (8 letters).

Crossword clue: which sport is not traditionally played during the mongolian naadam festival

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

american 8 letters otdb

of or relating to the United States of America or its people or language or culture

football 8 letters otdb

any of various games played with a ball (round or oval) in which two teams try to kick or carry or propel the ball into