WBudō
WAge-uke
WAiki (martial arts principle)
WBō
WBōgu
WBushido
WDojo
WFudōshin
WGendai budō
WHeya (sumo)
WJinba ittai
WJapanese martial arts
WKamiza
WKata
WKensei (honorary title)
WKnifehand strike
WKobudō
WKo-ryū
WKuji-kiri
WKunai
WKuzushi
WMaai
WMakibishi
WMawashi geri
WMetsubushi
WMudra
WNunchaku
WSeme (martial arts)
WShuhari
WShuriken
WTai sabaki
WTantojutsu
WTenkan
WTori (martial arts)
WTsuki
WUke (martial arts)
WUra nage
WUshiro-Geri
WWaza-ari