ninja

noun 0.734

shinobi

noun 0.705

jujitsu

noun 0.660

shuriken

noun 0.639

kung fu

noun 0.567

aikido

noun 0.552

stealth

noun 0.548

martial art

noun 0.545

judo

noun 0.544

budo

noun 0.544

nunchaku

noun 0.535

karate

noun 0.530

naginata

noun 0.529

wushu

noun 0.518

parkour

noun 0.514

nin

noun 0.512

katana

noun 0.511

bushido

noun 0.510

tradecraft

noun 0.510

spycraft

noun 0.502

art of war

noun 0.502

stealthiness

noun 0.502