The crossword solution for the term 'Cousin of Karate' is Judo, which is a 4-letter word. Judo is a martial art and Olympic sport that originated in Japan in the late 19th century. It is a modernized version of Jujutsu, a traditional Japanese martial art. Judo focuses on throws, joint locks, and pins, while Karate focuses on strikes and blocks. Judo is often considered to be the cousin of Karate due to their shared roots in Jujutsu.