How many letters does the top answer for “sumo player from japan” have?

The most common answer is koki (4 letters).

Crossword clue: sumo player from japan

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

koki 4 letters wd-fact-v3

mitsugu 7 letters wd-fact-v3

sho 3 letters wd-fact-v3

taro 4 letters wd-fact-v3

tropical starchy tuberous root

sumo player from empire of japan 75% similar → koki

aikido player from japan 50% similar → ueshiba

athletics player from japan 50% similar → kanakuri, noguchi, takahashi

baseball player from japan 50% similar → suzuki, tanaka

boxing player from japan 50% similar → murata

go player from japan 50% similar → seigen

judo player from japan 50% similar → chiba

karate player from japan 50% similar → funakoshi, koyamada, oyama