ken, a game played with the hands; a game of hands; in Italian, mor(r)a, a game in which two (or more) players each suddenly display a hand showing zero to five fingers and call out what they think will be the sum of all fingers shown.

a fist / any of the martial arts that use the fists for striking, such as 空手 (karate) / any of several finger-shape games, including じゃんけんぽん (jankenpon, “rock paper scissors”)

(martial arts) used in the names of styles, or moves that involve punching

yakyuken or strip rock paper scissors (a version of Rock-Paper-Scissors where the loser has to remove an article of clothing, accompanied with a song and dance)

a male given name

pinky swearing (linking little fingers to confirm a promise)

(martial arts) drunken boxing; drunken fist

Rare form of テコンドー (tekondō, “taekwondo”).

(Japanese mythology) the Ten-hands Longsword

Wing Chun, a concept-based Chinese martial art and form of self-defense