Word origins

• WatanabeA surname from Japanese.
• baiA marshy meadow in sub-Saharan Africa.
• roninA masterless samurai (who often becomes a mercenary to make ends meet).
• dojoA training facility, usually led by one or more sensei; a hall or room used for such training.
• NihonJapan.
• NakamuraA surname from Japanese.
• tendonA tough band of flexible but inelastic fibrous collagen tissue that connects a muscle with its bony attachment and transmits the force which the muscle exerts.
• ISEA city in Mie Prefecture, Japan.
• YokoA female given name from Japanese.
• ponA call for forming a set of three identical tiles using a discarded tile.
• shariDead wood on the main trunk of a bonsai tree.
• sudoA Unix command that allows a user to run a program with the security privileges of another user.
• SapporoThe capital and largest city of Hokkaido Prefecture, Japan.
• MikaA female given name from Japanese.
• AyumiA female given name from Japanese.
• tonyaA trade broker in Japan, usually a wholesaler, warehouse manager, or shipment manager.
• yaoiA narrative or visual work featuring a romantic or sexual relationship between two or more men.
• KobayashiA surname from Japanese.
• bakuA type of supernatural being said to devour nightmares.
• utacutaneous leishmaniasis
• nioA pair of door gods at the main gates of Buddhist temples.
• IgAAn ancient province of Japan, in modern Mie Prefecture.
• HamasakiA surname from Japanese.
• sadoA city in Niigata Prefecture, Japan.
• MatsushitaA surname from Japanese.
• shogunThe supreme generalissimo of feudal Japan.
• HiroshiA male given name from Japanese.
• MatsuiA surname from Japanese.
• awaKava, specifically Piper methysticum.
• IzumiA female given name from Japanese.
• keiA class of lightweight vehicles with small engines.
• TamiA female given name from Japanese.
• katanaA type of Japanese longsword, having a single edge and slight curvature, historically used by samurai and ninja.
• YoshidaA surname from Japanese.
• KochiA member of a nomadic pastoral group of primarily Ghilji Pashtun people.
• KoizumiA surname from Japanese.
• MatsumotoA surname from Japanese.
• kickboxingA hybrid martial art derived from Muay Thai, karate, and especially boxing during the 1960s to 1970s; more generally, any stand-up combat sport that combines kicks and punches.
• SaitoA surname from Japanese.
• EriA female given name from Japanese.
• udoJapanese spikenard, particularly the cooked shoots used as food.
• tantoA traditional Japanese small sword or knife; often used as a secondary weapon to a katana.
• AsahiA city in Chiba Prefecture, Japan.
• rohanAn East Indian timber tree.
• kanoA male American.
• kayaTorreya nucifera, the Japanese nutmeg tree.
• TsuThe capital city of Mie Prefecture, Japan.
• kamiAn animistic god or spirit in the Shinto religion of Japan.
• ayaYes; yea; aye.
• YukiA Native American people from northern California.
• KitaA special ward of Tokyo prefecture, Japan that is surrounded by (clockwise from north) Saitama Prefecture, Adachi, Arakawa, Bunkyō, Toshima, and Itabashi special wards.
• oniA Japanese evil spirit or demon.
• InoueA surname from Japanese.
• ASOA surname from Japanese.
• homestayA system whereby students, visiting a foreign country to study, board with a local family at an affordable price.
• kagomeAn arrangement of laths composed of interlaced triangles such that each point where two laths cross has four neighboring points. Although called a lattice, it is more closely related to the trihexagonal tiling than to a mathematical lattice.
• HaraA name of Siva.
• mikoA Shinto shrine maiden.
• MikiA diminutive of the male given name Michael, variant of Mickey.
• misoA thick paste made by fermentation of soybeans with the mold Aspergillus oryzae, used in making soups and sauces.
• HayashiA surname from Japanese.
• kimuraAn armlock where the implementer isolates the opponent's arm and torques the shoulder in order to cause pain or injury.
• MidoriA sweet, bright green, muskmelon-flavored liqueur made by Suntory.
• ogoogonori
• HasegawaA surname from Japanese.
• SasakiA surname from Japanese.
• IkedaA surname from Japanese.
• wasabiA plant of the species Eutrema japonicum, cultivated for its edible root.
• IchiroA male given name from Japanese.
• KenjiA male given name from Japanese.
• AokiA surname from Japanese.
• WADAA surname from Japanese.
• SumitomoA surname from Japanese.
• KurosawaA surname from Japanese.
• ShimizuA surname from Japanese.
• MitsuiA surname from Japanese.
• kojiA substance that is produced by letting a mold, especially Aspergillus oryzae, grow on rice, barley, soybeans, etc., used to make fermented products such as sake, amazake, miso, and soy sauce.
• IshiiA surname from Hopi.
• masaA strong form of paper, smooth on one side and lightly textured on the other, used for drawing and painting.
• KeikoA female given name from Japanese.
• YaesuA neighborhood of Chuō, Tokyo prefecture, Japan.
• kanaThe hiragana and katakana syllabaries. These are made up of characters that represent individual syllables, which are used to write Japanese words and particles. Kana are derived from kanji.
• YamatoA member of the Yamato court which formerly ruled Japan.
• TakedaA surname from Japanese.
• HashimotoA surname from Japanese.
• otakuOne with an obsessive interest in something, particularly (originally derogatory) an obsessive Japanese fan of anime or manga.
• KansaiA region of Japan, located in Honshū.
• baraA genre of homoerotic media, usually also pornographic, typically created by gay men and targeted at gay men in Japan.
• MurataA surname from Japanese.
• KondoTo tidy up using the methods advocated by Marie Kondo, especially keeping only those things that tokimeku (spark joy).
• kendoA Japanese martial art using "swords" of split bamboo.
• KomatsuA surname from Japanese.
• KawaiA surname from Japanese.
• FurunoA surname from Japanese.
• BeybladeA type of spinning top toy originally developed and manufactured by Takara Tomy.
• TakaraA surname from Japanese.
• odenA Japanese one pot winter dish, of varying ingredients.
• SakamotoA surname from Japanese.
• PikachuA small yellow rodent-like Pokémon that has red cheeks and a tail shaped like a lightning bolt, and has electricity-related powers.
• NomuraA surname from Japanese.