| Word | Definitions | Synonyms |
|---|---|---|
| jujutsu | (noun) a method of self-defense without weapons that was developed in China and Japan; holds and blows are supplemented by clever use of the attacker's own weight and strength | Synonyms: jiujitsu, jujitsu |
| ninjutsu | (noun) the traditional Japanese method of espionage; involves stealthy movements and the use of camouflage | Synonyms: ninjitsu |