| 研究 | けんきゅう | research; study; investigation | n4 |
| 武士 | ぶし | samurai; warrior | n1 |
| 武器 | ぶき | weapon; arms; ordnance; weapon (something used to gain an advantage) | n2 |
| 武道 | ぶどう | martial arts; military arts; Bushido | n2 |
| 武 | ぶ | the art of war; martial arts; military arts; military force | n4 |
| 研究所 | けんきゅうじょ | research institute; (research) laboratory | n3 |
| 武家 | ぶけ | samurai family; samurai class; samurai stock; samurai | n1 |
| 研修 | けんしゅう | training (esp. in-service); induction course | n2 |
| 武術 | ぶじゅつ | martial arts; military arts; wushu (Chinese martial art) | n1 |
| 武者 | むしゃ | warrior | |
| 研究会 | けんきゅうかい | research society; study class (e.g. religious); seminar (e.g. presentation of research) | |
| 情報通信研究機構 | じょうほうつうしんけんきゅうきこう | National Institute of Information and Communications Technology; NICT | |
| 武将 | ぶしょう | military commander | |
| 武蔵 | むさし | Musashi (former province located in parts of present-day Tokyo, Kanagawa and Saitama prefectures) | |
| 研究科 | けんきゅうか | postgraduate course; graduate course; graduate program; graduate school (of) | |
| 研究者 | けんきゅうしゃ | researcher | n3 |
| 武装 | ぶそう | arms; armament; taking up arms; arming oneself | |
| 研ぐ | とぐ | to sharpen; to hone; to whet; to grind | n1 |
| 研 | けん | research (institute, laboratory, group, etc.) | n3 |
| 玄武岩 | げんぶがん | basalt; whin(stone) | |
| 古武術 | こぶじゅつ | ancient Japanese martial arts | |
| 武芸 | ぶげい | martial arts | |
| 武力 | ぶりょく | armed might; military power; the sword; force | |
| 研究員 | けんきゅういん | researcher; lab worker | n1 |
| 研究室 | けんきゅうしつ | laboratory; seminar room; professor's office | n3 |
| 武人 | ぶじん | military man; warrior; soldier | |
| 古武道 | こぶどう | ancient Japanese martial arts | |
| 文武 | ぶんぶ | literary and military arts; the pen and the sword | |
| 武勇 | ぶゆう | bravery; military prowess; valour; valor | |
| 武具 | ぶぐ | arms; weapons (of war); armor; armour | |
| 学研 | がっけん | Gakken (publisher) | |
| 西武 | せいぶ | Seibu; Seibu (conglomerate: stores, railway, etc.); Saitama Seibu Lions (abbr) | |
| 神武 | じんむ | Emperor Jimmu; legendary founding Emperor of Japan | |
| 演武 | えんぶ | martial arts demonstration; martial arts training | |
| 武官 | ぶかん | military officer; naval officer | |
| 研究開発 | けんきゅうかいはつ | research and development; R&D | |
| 臨床研修 | りんしょうけんしゅう | clinical training (for doctors) | |
| 武運 | ぶうん | fortune in battle; luck in war; fate as a warrior | |
| 研鑽 | けんさん | diligent study; devoting oneself to one's studies | n1 |
| 建武 | けんむ | Kenmu era (of unified Japan; 1334.1.29-1336.2.29); Kenmu era (of the Northern Court; 1336.2.29-1338.8.28) | |
| 研修会 | けんしゅうかい | workshop; training course | |
| 武夫 | ぶふ | warrior; soldier; samurai | |
| 武道館 | ぶどうかん | martial arts stadium; (Nippon) Budokan (indoor arena in Tokyo) | |
| 武士道 | ぶしどう | Bushido; samurai code of chivalry | |
| 総合研究所 | そうごうけんきゅうしょ | institute for general research; multidiscipline laboratory | |
| 若武者 | わかむしゃ | young warrior | |
| 研く | みがく | to polish; to shine; to burnish; to scour | n5 |
| 研究家 | けんきゅうか | researcher; student (of) | |
| 研磨 | けんま | grinding; polishing; refining (a skill, knowledge, etc.); applying oneself (to study) | |
| 武門 | ぶもん | military family; warrior class | n2 |
| 武者振り | むしゃぶり | prowess; gallantry | |
| 総研 | そうけん | institute for general research; multidiscipline laboratory | |
| 研修医 | けんしゅうい | medical intern; resident | |
| 研究社 | けんきゅうしゃ | Kenkyusha (publisher) | n3 |
| 理研 | りけん | Institute of Physical and Chemical Research (abbr) | |
| 武芸者 | ぶげいしゃ | master of martial arts; practitioner of martial arts | |
| 武藝者 | ぶげいしゃ | master of martial arts; practitioner of martial arts | |
| 荒武者 | あらむしゃ | daredevil; rowdy | |
| 野武士 | のぶし | wandering samurai; soldier of fortune; brigand; mountain-dwelling robber | |
| 武功 | ぶこう | military exploits; military feats; military achievements; distinguished military service | |
| 薬研 | やげん | druggist's mortar | |
| 武技 | ぶぎ | martial arts | |
| 落武者 | おちむしゃ | fleeing soldier; warrior fleeing the battlefield; deserter | |
| 研究報告 | けんきゅうほうこく | report of (one's) research; research paper | |
| 尚武 | しょうぶ | militarism; warlike spirit | n2 |
| 武威 | ぶい | military power | n1 |
| 武名 | ぶめい | military fame | |
| 調査研究 | ちょうさけんきゅう | research study; investigative research | |
| 武備 | ぶび | military preparation; armaments; defenses; defences | |
| 研究成果 | けんきゅうせいか | research results | |
| 理化学研究所 | りかがくけんきゅうじょ | Institute of Physical and Chemical Research | |
| 武徳 | ぶとく | martial arts | |
| 武張る | ぶばる | to be soldierly; to be martial | |
| 玄武岩質 | げんぶがんしつ | basaltic | |
| 勇武 | ゆうぶ | bravery; valor; valour; military prowess | |
| 武勲 | ぶくん | feats of arms; military exploits; distinguished military service | |
| 武勳 | ぶくん | feats of arms; military exploits; distinguished military service | |
| 武断 | ぶだん | militarism | |
| 研究費 | けんきゅうひ | research funds; research expenses | |
| 研ぎ澄ます | とぎすます | to sharpen; to grind; to whet; to hone | |
| 粗粒玄武岩 | そりゅうげんぶがん | dolerite; diabase | |
| 西武ライオンズ | せいぶライオンズ | Seibu Lions (Japanese pro baseball team) | |
| 研究機関 | けんきゅうきかん | research institution | |
| 研究生 | けんきゅうせい | research student | |
| 文武両道 | ぶんぶりょうどう | being accomplished in both the literary and military arts; doing well in both school and sports | |
| 武漢 | ぶかん | Wuhan (China) | |
| 玄武 | げんぶ | Black Tortoise (god said to rule over the northern heavens); seven mansions (Chinese constellations) of the northern heavens | |
| 我武者羅 | がむしゃら | reckless; daredevil; frantic; foolhardy | |
| 公武 | こうぶ | nobles and soldiers; imperial court | |
| 研修所 | けんしゅうじょ | training institute | |
| 古武士 | ふるつわもの | feudal warrior; samurai; old soldier; veteran | |
| 研究結果 | けんきゅうけっか | results of a scientific investigation; findings | |
| 武庫 | ぶこ | armory; armoury | |
| 影武者 | かげむしゃ | body double; double; wire puller; person behind the scenes | |
| 自由研究 | じゆうけんきゅう | research project (e.g. at school); independent research | |
| 武神 | ぶしん | god of military arts | |
| 料理研究家 | りょうりけんきゅうか | cooking expert; culinary researcher | |
| 武鑑 | ぶかん | book of heraldry | |
| 威武 | いぶ | authority and force | |
| 武辺 | ぶへん | military affairs; military people | |
| 経済研究所 | けいざいけんきゅうじょ | economic research institute | |
| 研究部 | けんきゅうぶ | research division; research club (e.g. at school, university) | |
| 研究活動 | けんきゅうかつどう | research activities | |
| 武士階級 | ぶしかいきゅう | warrior class | |
| 歩武 | ほぶ | a step; a short distance | |
| 研究対象 | けんきゅうたいしょう | subject of research | |
| 研究グループ | けんきゅうグループ | research group | |
| 国立研究開発法人 | こくりつけんきゅうかいはつほうじん | national research and development agency | |
| 武道家 | ぶどうか | martial artist | |
| 武略 | ぶりゃく | strategy; military tactics | |
| 武器屋 | ぶきや | weapon shop; weapon store | |
| 研究職 | けんきゅうしょく | research work; career in research; research position; researcher | |
| 研究チーム | けんきゅうチーム | research team | |
| 武臣 | ぶしん | military retainer | |
| 研き | みがき | polish; burnishing; improvement; becoming more skilled | |
| 公武合体 | こうぶがったい | shogunate marital union with the Imperial family | |
| 研屋 | とぎや | knife grinder (person); sword sharpener; polisher (of mirrors, swords, etc.); grindery | |
| 研磨剤 | けんまざい | abrasive compound; abrading agent; abradant; polishing agent | |
| 共同研究 | きょうどうけんきゅう | collaborative research; joint research | |
| 臨床研究 | りんしょうけんきゅう | clinical research; clinical study | |
| 研学 | けんがく | study | n4 |
| 総武線 | そうぶせん | Sōbu Line (Chiba-Tokyo railway) | |
| 武家屋敷 | ぶけやしき | samurai residence | |
| 国立国語研究所 | こくりつこくごけんきゅうしょ | National Institute for Japanese Language and Linguistics; NINJAL; Kokken | |
| 研修生 | けんしゅうせい | trainee | |
| 基礎研究 | きそけんきゅう | basic research | |
| 研削 | けんさく | grinding | n2 |
| 武弁 | ぶべん | soldier | |
| 武術家 | ぶじゅつか | martial artist | |
| 武道場 | ぶどうじょう | martial arts area (within a school, gym, etc.) | |
| 研究分野 | けんきゅうぶんや | research area; field of research | |
| 技術研究所 | ぎじゅつけんきゅうじょ | technical research institute; technology research laboratory | |
| 武蔵野大学 | むさしのだいがく | Musashino University | |
| 研師 | とぎし | knife grinder (person); sword sharpener; polisher (of mirrors, swords, etc.) | |
| 自己研鑽 | じこけんさん | self-improvement | |
| 猪武者 | いのししむしゃ | daredevil; foolhardy warrior; hotspur | |
| 学術研究 | がくじゅつけんきゅう | academic study; academic research | |
| 武器輸出 | ぶきゆしゅつ | arms exports | |
| 科学研究所 | かがくけんきゅうじょ | science institute; scientific laboratory | |
| 重武装 | じゅうぶそう | heavy armament | |
| 司法研修所 | しほうけんしゅうじょ | Judicial Research and Training Institute | |
| 総合研究大学院大学 | そうごうけんきゅうだいがくいんだいがく | Graduate University for Advanced Studies | |
| 武事 | ぶじ | military affairs; martial arts | n4 |
| 武陵桃源 | ぶりょうとうげん | earthly paradise; Shangri-la | |
| 武闘 | ぶとう | armed struggle | |
| 武力衝突 | ぶりょくしょうとつ | military conflict; armed conflict | |
| 武家政権 | ぶけせいけん | samurai government | |
| 特別研究員 | とくべつけんきゅういん | research fellow | |
| 技研 | ぎけん | technical research institute; technology research laboratory | |
| 地域研究 | ちいきけんきゅう | area studies | |
| 最新研究 | さいしんけんきゅう | the newest research | |
| 研究発表 | けんきゅうはっぴょう | research publication; scholarly publication | |
| 騎馬武者 | きばむしゃ | mounted warrior; cavalier; knight | |
| 武器庫 | ぶきこ | armory; armoury; ordnance department | |
| 研究書 | けんきゅうしょ | monograph; study | |
| 研修制度 | けんしゅうせいど | training program; training system | |
| 研究施設 | けんきゅうしせつ | research facility | |
| 研究論文 | けんきゅうろんぶん | research paper; study; thesis | |
| 落ち武者 | おちむしゃ | fleeing soldier; warrior fleeing the battlefield; deserter | |
| 武烈 | ぶれつ | military merit | |
| 武徳殿 | ぶとくでん | building on the greater palace grounds used by the emperor for viewing horse racing, horseback archery, etc.; martial arts practice hall at Heian Shrine (est. in 1895 by the Dai Nippon Butoku Kai, now defunct) | |
| 先行研究 | せんこうけんきゅう | prior research; previous work | |
| 武蔵野線 | むさしのせん | Musashino Line | |
| 科学研究 | かがくけんきゅう | scientific research | |
| 客員研究員 | きゃくいんけんきゅういん | visiting researcher | |
| 武田薬品工業 | たけだやくひんこうぎょう | Takeda Pharmaceutical | |
| 武骨 | ぶこつ | boorish; unrefined; rustic; uncouth | |
| 研究班 | けんきゅうはん | research team; study team | |
| 実証研究 | じっしょうけんきゅう | empirical research | |
| 応用研究 | おうようけんきゅう | applied research; practical research | |
| 武力紛争 | ぶりょくふんそう | armed conflict | |
| 武力行使 | ぶりょくこうし | use of (military) force | |
| 武者震い | むしゃぶるい | trembling with excitement | |
| 主任研究員 | しゅにんけんきゅういん | head researcher (at a research institute) | |
| 理学研究科 | りがくけんきゅうか | graduate school of science | |
| 国立環境研究所 | こくりつかんきょうけんきゅうじょ | National Institute for Environmental Studies | |
| 英武 | えいぶ | distinguished (surpassing) valor (valour) | |
| 武勇伝 | ぶゆうでん | biography of a brave fighter; heroic saga; chivalric romance; tale of one's heroism | |
| 武家造 | ぶけづくり | samurai-house style (Kamakura period) | |
| 武富士 | たけふじ | Takefuji Corporation | |
| 武闘派 | ぶとうは | militant (faction, group, person, etc.); hardliner who favors force over compromise; hawk | |
| 練武 | れんぶ | practising martial arts; training in martial arts | |
| 卒業研究 | そつぎょうけんきゅう | research for a graduation thesis; graduation thesis work; graduation research project | |
| 研究課題 | けんきゅうかだい | research task | |
| 神武東征 | じんむとうせい | Emperor Jimmu's eastern expedition (starting in Hyuga in 607 BCE, ending with the unification of Yamato) | |
| 武侠 | ぶきょう | chivalry; gallantry; heroism | |
| 武士団 | ぶしだん | band of warriors (often formed from related or dependent families); group of samurai | |
| 研磨材 | けんまざい | abrasives | |
| 研磨機 | けんまき | grinder; grinding machine; polisher | |
| 武者修行 | むしゃしゅぎょう | traveling about to gain skill in combat (travelling) | |
| 武装解除 | ぶそうかいじょ | disarmament | |
| 武装集団 | ぶそうしゅうだん | armed group | |
| 研修期間 | けんしゅうきかん | training period; residency (esp. medical); internship | |
| 落語研究会 | らくごけんきゅうかい | rakugo research society; rakugo research club | |
| 武庫川女子大学 | むこがわじょしだいがく | Mukogawa Women's University | |
| 核武装 | かくぶそう | nuclear arms | |
| 武者絵 | むしゃえ | warrior picture (genre of ukiyo-e); musha-e | |
| 非武装 | ひぶそう | demilitarization; demilitarisation; demilitarized; demilitarised | |
| 鬼武者 | おにむしゃ | daredevil warrior | |
| 事例研究 | じれいけんきゅう | case studies | |
| 武家時代 | ぶけじだい | feudal period (characterized by the rule of the shogunate, 1185-1867); age of militarist government | |
| 武術太極拳 | ぶじゅつたいきょくけん | wushu; modern sport derived from traditional Chinese martial arts | |
| 西武新宿線 | せいぶしんじゅくせん | Seibu Shinjuku Line | |
| 武蔵野美術大学 | むさしのびじゅつだいがく | Musashino Art University | |
| 漫研 | まんけん | society for the study of manga; manga club | |
| 雄武 | ゆうぶ | bravery | |
| 宇宙研 | うちゅうけん | space research | |
| 演武場 | えんぶじょう | dojo (hall used for martial arts training) | |
| 知知武 | ちちぶ | dusky tripletooth goby (Tridentiger obscurus) | |
| 端武者 | はむしゃ | common soldier | |
| 勝男武士 | かつおぶし | katsuobushi; pieces of sliced dried bonito | |
| 武力侵攻 | ぶりょくしんこう | military invasion | |
| 武力攻撃 | ぶりょくこうげき | armed attack | |
| 武器弾薬 | ぶきだんやく | arms and ammunition; weapons and ammunition | |
| 武者人形 | むしゃにんぎょう | samurai doll | |
| 研究方法 | けんきゅうほうほう | research methods; method of study (research) | |
| 研究資料 | けんきゅうしりょう | material (data) for one's research; research material | |
| 研究領域 | けんきゅうりょういき | area of study (investigation); research area | |
| 研究報告書 | けんきゅうほうこくしょ | research report | |
| 非武装中立 | ひぶそうちゅうりつ | unarmed neutrality | |
| 落研 | おちけん | rakugo research society; rakugo research club | |
| 委託研究 | いたくけんきゅう | contract research | |
| 武家政治 | ぶけせいじ | feudal government | |
| 武蔵大学 | むさしだいがく | Musashi University | |
| 武装勢力 | ぶそうせいりょく | armed group; armed insurgents | |
| 武装組織 | ぶそうそしき | armed organization | |
| 理論武装 | りろんぶそう | being prepared for a theoretical (ideological) argument; being armed with theoretical backing | |
| 研究材料 | けんきゅうざいりょう | research material; experimental material | |
| 研究業績 | けんきゅうぎょうせき | research results; research record; research achievement | |
| 非武装化 | ひぶそうか | demilitarization; demilitarisation | |
| ベル研究所 | ベルけんきゅうしょ | Bell Laboratories; Bell Labs | |
| 東武伊勢崎線 | とうぶいせさきせん | Tobu Isesaki Line | |
| 研さん | けんさん | diligent study; devoting oneself to one's studies | n1 |
| 講武 | こうぶ | military training | |
| アジ研 | アジけん | United Nations Asia and Far East Institute for the Prevention of Crime and the Treatment of Offenders (abbr); UNAFEI | |
| 武蔵鐙 | むさしあぶみ | Japanese cobra lily (Arisaema ringens) | |
| 武闘家 | ぶとうか | martial artist | |
| 研削盤 | けんさくばん | grinder; grinding machine | |
| 研磨面 | けんまめん | polished surface; ground surface | |
| 科捜研 | かそうけん | forensic researcher; crime scene investigator | |
| 上武大学 | じょうぶだいがく | Jōbu University | |
| 介入研究 | かいにゅうけんきゅう | intervention study (epidemiology) | |
| 宿泊研修 | しゅくはくけんしゅう | training camp; off-campus residential course | |
| 文武百官 | ぶんぶひゃっかん | all the officials, both military and civil | |
| 新人研修 | しんじんけんしゅう | training for new employees; onboarding training; orientation course | |
| 映画研究 | えいがけんきゅう | film studies; cinema studies | |
| 武力干渉 | ぶりょくかんしょう | armed intervention | |
| 武器商人 | ぶきしょうにん | arms dealer | |
| 武断政治 | ぶだんせいじ | military government | |
| 武装商船 | ぶそうしょうせん | armed merchantman | |
| 研修旅行 | けんしゅうりょこう | study tour | |
| 博士研究員 | はくしけんきゅういん | postdoc; postdoctoral fellow; postdoctoral researcher | |
| 国語研究所 | こくごけんきゅうじょ | National Institute for Japanese Language and Linguistics; NINJAL; Kokken | |
| 実験的研究 | じっけんてきけんきゅう | experimental study | |
| 研修医制度 | けんしゅういせいど | clinical internship system | |
| 遺伝子研究 | いでんしけんきゅう | genetic research | |
| 原子力研究所 | げんしりょくけんきゅうじょ | Atomic Energy Research Institute | |
| 武者小路千家 | むしゃのこうじせんけ | Mushakōjisenke school of tea ceremony | |
| 武蔵野音楽大学 | むさしのおんがくだいがく | Musashino Academia Musicae | |
| 研鑚 | けんさん | diligent study; devoting oneself to one's studies | n1 |
| 武学 | ぶがく | military science | |
| 女武者 | おんなむしゃ | female warrior; amazon | |
| 武家物 | ぶけもの | samurai romance | |
| 研ぎ物 | とぎもの | sharpening (of knives, swords, etc.); grinding; honing; whetting | |
| 研究心 | けんきゅうしん | spirit of study (inquiry, enquiry); (having) an inquiring mind | |
| 予備研究 | よびけんきゅう | pilot study; preliminary study | |
| 事前研修 | じぜんけんしゅう | advance training; prior training | |
| 実地研修 | じっちけんしゅう | fieldwork; on-the-job training; hands-on training | |
| 小型武器 | こがたぶき | small arms; light weapons | |
| 日本武尊 | やまとたける | Yamato Takeru; 12th Emperor of Japan, who dressed as a maidservant in a successful plot to kill the leaders of the Kumaso tribe in Kumamoto | |
| 武器取引 | ぶきとりひき | arms business; arms dealing; weapons trade; weapons dealing | |
| 武器貸与 | ぶきたいよ | lend-lease | |
| 武家伝奏 | ぶけてんそう | imperial official in charge of communication between the shogunate and the court (during the Muromachi and Edo periods) | |
| 武家奉公 | ぶけぼうこう | service with a samurai family; serving in a samurai household (as a valet, chambermaid, etc.) | |
| 武装蜂起 | ぶそうほうき | armed uprising | |
| 研ぎ物師 | とぎものし | knife grinder (person); sword sharpener; polisher (of mirrors, swords, etc.) | |
| 研究大学 | けんきゅうだいがく | research university | |
| 研究室棟 | けんきゅうしつとう | laboratory block; research laboratory building | |
| 研究調査 | けんきゅうちょうさ | research investigation; research survey | |
| 神武景気 | じんむけいき | Jimmu Boom (economic boom of the mid-1950s) | |
| 駐在武官 | ちゅうざいぶかん | military attaché | |
| 主席研究員 | しゅせきけんきゅういん | executive chief engineer | |
| 後期研修医 | こうきけんしゅうい | resident physician in specialty training | |
| 琉球古武術 | りゅうきゅうこぶじゅつ | Okinawan kobudo; traditional martial arts of the Ryukyu Islands | |
| 研究図書館 | けんきゅうとしょかん | research library | |
| 研究発表会 | けんきゅうはっぴょうかい | meeting for reading research papers | |
| 通信研究所 | つうしんけんきゅうしょ | communications laboratory | |
| 非武装地帯 | ひぶそうちたい | demilitarized zone; demilitarised zone; DMZ | |
| 国際武道大学 | こくさいぶどうだいがく | International Budo University | |
| 武蔵野女子大 | むさしのじょしだい | Musashino Women's College (abbr) | |
| 武蔵野短期大学 | むさしのたんきだいがく | Musashino Junior College | |
| 農業生物資源研究所 | のうぎょうせいぶつしげんけんきゅうじょ | National Institute of Agrobiological Sciences | |
| 武問 | ぶもん | samurai's lineage | n2 |
| 研讃 | けんさん | diligent study; devoting oneself to one's studies | n1 |
| 予研 | よけん | National Institute of Health | |
| 偃武 | えんぶ | armistice | |
| 卒研 | そつけん | research for a graduation thesis; graduation thesis work; graduation research project | |
| 官武 | かんぶ | civilian and military man | |
| 映研 | えいけん | film studies; cinema studies | |
| 武き | たけき | valiant; brave; bold; fearless | |
| 武し | たけし | brave; courageous; valiant; fierce | |
| 武教 | ぶきょう | the teachings of Bushido | |
| 武鯛 | ぶだい | Japanese parrotfish (Calotomus japonicus) | |
| 癌研 | がんけん | cancer research; cancer research institute; cancer research center (centre) | |
| 研ぎ | とぎ | polish; grinding; sharpening | |
| 研摩 | けんま | grinding; polishing; refining (a skill, knowledge, etc.); applying oneself (to study) | |
| 研物 | とぎもの | sharpening (of knives, swords, etc.); grinding; honing; whetting | |
| 研練 | けんれん | training; practice; drilling; honing (one's skills) | |
| 研錬 | けんれん | training; practice; drilling; honing (one's skills) | |
| 筆研 | ひっけん | writing brush and inkstone; writing; composition; daily life of a writer | |
| 通研 | つうけん | communications laboratory | |
| 佞武多 | ねぶた | Nebuta; nighttime festival in Tōhoku (esp. Aomori) | |
| 保環研 | ほかんけん | Institute of Public Health and Environmental Science (usu. at prefectural or city level) (abbr) | |
| 再武装 | さいぶそう | rearmament | |
| 再研磨 | さいけんま | repolishing; resharpening | |
| 化血研 | かけつけん | Kaketsuken | |
| 医科研 | いかけん | Institute for Medical Sciences | |
| 国総研 | こくそうけん | National Institute for Land and Infrastructure Management (abbr); NILIM | |
| 大波武 | オオハム | black-throated loon (Gavia arctica); Arctic loon | |
| 感染研 | かんせんけん | National Institute of Infectious Diseases (abbr.); NIID | |
| 文武官 | ぶんぶかん | civil and military officers | |
| 武力戦 | ぶりょくせん | armed conflict | |
| 武勇談 | ぶゆうだん | tale of heroism | |
| 武器倉 | ぶきぐら | armory; armoury; arsenal | |
| 武士詞 | ぶしことば | samurai words and phrases | |
| 武家衆 | ぶけしゅう | samurai for the shogunate | |
| 武断的 | ぶだんてき | militaristic | |
| 武者詞 | ぶしゃことば | samurai words and phrases | |
| 武装具 | ぶそうぐ | accoutrements | |
| 武装船 | ぶそうせん | armed ship | |
| 武骨者 | ぶこつもの | boor; rustic; country bumpkin; lout | |
| 爪研ぎ | つめとぎ | claw sharpening; scratching post (for cats); claw sharpener | |
| 産総研 | さんそうけん | National Institute of Advanced Industrial Science and Technology (abbr); AIST | |
| 癌研究 | がんけんきゅう | cancer research | |
| 知々武 | ちちぶ | dusky tripletooth goby (Tridentiger obscurus) | |
| 研ぎ器 | とぎき | tool sharpener (esp. knives) | |
| 研ぎ屋 | とぎや | knife grinder (person); sword sharpener; polisher (of mirrors, swords, etc.); grindery | |
| 研ぎ師 | とぎし | knife grinder (person); sword sharpener; polisher (of mirrors, swords, etc.) | |
| 研ぎ汁 | とぎしる | water that has been used to wash rice | |
| 研ぎ石 | とぎいし | knife sharpener; whetstone | |
| 研修員 | けんしゅういん | trainee | |
| 研修課 | けんしゅうか | training section | |
| 研削代 | けんさくしろ | grinding allowance | |
| 研物師 | とぎものし | knife grinder (person); sword sharpener; polisher (of mirrors, swords, etc.) | |
| 研磨紙 | けんまし | sandpaper | |
| 研究官 | けんきゅうかん | research officer | |
| 研米機 | けんまいき | rice polisher | |
| 磨研紙 | まけんし | emery paper | |
| 科警研 | かけいけん | National Research Institute of Police Science (abbr) | |
| 粗研ぎ | あらとぎ | sharpening with a rough grindstone; rough sharpening | |
| 荒研ぎ | あらとぎ | sharpening with a rough grindstone; rough sharpening | |
| 落ち研 | おちけん | rakugo research society; rakugo research club | |
| 講武所 | こうぶしょ | Kōbusho; martial arts training institute established by the Edo shogunate in 1854 | |
| 阿武船 | あたけぶね | large warship of the Muromachi and early Edo periods | |
| 陰武者 | かげむしゃ | body double; double; wire puller; person behind the scenes | |
| 電総研 | でんそうけん | Electro-technical Laboratory (abbr); ETL | |
| 青武鯛 | あおぶたい | Scarus ovifrons (species of parrotfish) | |
| がん研究 | がんけんきゅう | cancer research | |
| ご武運を | ごぶうんを | good luck (in battle); may fortune be with you | |
| つめ研ぎ | つめとぎ | claw sharpening; scratching post (for cats); claw sharpener | |
| ガン研究 | がんけんきゅう | cancer research | |
| ツメ研ぎ | つめとぎ | claw sharpening; scratching post (for cats); claw sharpener | |
| バフ研磨 | バフけんま | buffing | |
| 侍従武官 | じじゅうぶかん | emperor's aide-de-camp | |
| 允文允武 | いんぶんいんぶ | being versed in the literary and military arts | |
| 元和偃武 | げんなえんぶ | Genna armistice (period following the fall of Osaka Castle in 1615) | |
| 剃刀研ぎ | かみそりとぎ | one who sharpens razors | |
| 化学研磨 | かがくけんま | chemical polishing | |
| 善の研究 | ぜんのけんきゅう | A Study of Good (1911 philosophical treatise by Kitarō Nishida) | |
| 天下布武 | てんかふぶ | unify the nation by force; spread military force under the heavens | |
| 女武芸者 | おんなぶげいしゃ | female warrior | |
| 完全武装 | かんぜんぶそう | fully armed; armed to the teeth | |
| 寒武利亜 | カンブリア | Cambria (old name for Wales) | |
| 御武運を | ごぶうんを | good luck (in battle); may fortune be with you | |
| 愛羅武勇 | アイラブユー | I love you | |
| 我武者ら | がむしゃら | reckless; daredevil; frantic; foolhardy | |
| 文武不岐 | ぶんぶふき | scholarship and swordsmanship are one and the same; the literary and the military are the same path | |
| 文武兼備 | ぶんぶけんび | well up in both literary and military (martial) arts; well skilled in wielding both the sword and the pen | |
| 栄研化学 | えいけんかがく | Eiken Chemical Co, Ltd. | |
| 武を練る | ぶをねる | to train oneself in military arts | |
| 武人気質 | ぶじんかたぎ | martial spirit; military spirit; the spirit of true warriors | |
| 武侠小説 | ぶきょうしょうせつ | swashbuckling stories; martial arts fiction; chivalric knight novels; wuxia xiaoshuo | |
| 武力介入 | ぶりょくかいにゅう | armed intervention | |
| 武力外交 | ぶりょくがいこう | armed diplomacy | |
| 武力政治 | ぶりょくせいじ | power politics | |
| 武功夜話 | ぶこうやわ | Bukouyawa (chronicle covering the Warring States to Momoyama periods, probably bogus) | |
| 武勇絶倫 | ぶゆうぜつりん | peerless bravery; matchless valor (in arms) | |
| 武器学校 | ぶきがっこう | Ordnance School | |
| 武器査察 | ぶきささつ | weapons inspection | |
| 武士の情 | ぶしのなさけ | samurai's compassion; samurai-like mercy | |
| 武士の鑑 | ぶしのかがみ | paragon of knighthood | |
| 武士気質 | ぶしかたぎ | samurai spirit | |
| 武家茶道 | ぶけさどう | warrior-style tea ceremony (such as the Enshū school) | |
| 武家造り | ぶけづくり | samurai-house style (Kamakura period) | |
| 武断主義 | ぶだんしゅぎ | militarism | |
| 武漢三鎮 | ぶかんさんちん | the three Wuhan Cities | |
| 武漢大学 | ぶかんだいがく | Wuhan University | |
| 武者修業 | むしゃしゅぎょう | samurai drill; knight errantry | |
| 武者言葉 | ぶしゃことば | samurai words and phrases | |
| 武者顫い | むしゃぶるい | trembling with excitement | |
| 武芸百般 | ぶげいひゃっぱん | every martial art; all the martial arts | |
| 武装中立 | ぶそうちゅうりつ | armed neutrality | |
| 武装平和 | ぶそうへいわ | armed peace | |
| 武装強盗 | ぶそうごうとう | armed robbery; armed robber | |
| 武装警官 | ぶそうけいかん | armed police | |
| 武装都市 | ぶそうとし | fortified city | |
| 武運長久 | ぶうんちょうきゅう | everlasting fortune in battle; continued luck in war | |
| 武骨一徹 | ぶこついってつ | rustic; boorish; uncouth; adamantly sticking to being boorish | |
| 爪を研ぐ | つめをとぐ | to sharpen one's claws | |
| 牙を研ぐ | きばをとぐ | to lie in wait; to wait for an opportunity to hurt someone; to sharpen one's fangs | |
| 特攻武術 | トゥコンムスル | Tukong Moosul (Korean martial art); Teuk-gong Musul | |
| 癌研究会 | がんけんきゅうかい | Japanese Foundation for Cancer Research; JFCR | |
| 癌研究所 | がんけんきゅうしょ | cancer research institute; cancer research center (centre) | |
| 百武彗星 | ひゃくたけすいせい | Comet Hyakutake | |
| 県研修所 | けんけんしゅうじょ | prefectural training institute | |
| 研ぎたて | とぎたて | just sharpened | |
| 研ぎ上げ | とぎあげ | honing | |
| 研ぎ立て | とぎたて | just sharpened | |
| 研上げる | とぎあげる | to finish sharpening; to bring to a fine edge; to sharpen well; to polish up | |
| 研澄ます | とぎすます | to sharpen; to grind; to whet; to hone | |
| 研究の料 | けんきゅうのりょう | research materials | |
| 研究休暇 | けんきゅうきゅうか | sabbatical; sabbatical leave | |
| 研究熱心 | けんきゅうねっしん | of inquiring mind; eager to study; enthusiastic in studying | |
| 研究費用 | けんきゅうひよう | research expenses; research costs | |
| 研究題目 | けんきゅうだいもく | subject for study (inquiry, enquiry); laboratory subject | |
| 神武以来 | じんむこのかた | since the era of the Emperor Jimmu; (first ever) since the dawn of Japan's history; unprecedented | |
| 翻訳研究 | ほんやくけんきゅう | translation studies | |
| 観察研究 | かんさつけんきゅう | observational study | |
| 農研機構 | のうけんきこう | National Agriculture and Food Research Organization (abbr); NARO | |
| 阿武隈石 | あぶくませき | abukumalite; britholite-(Y) | |
| 電解研磨 | でんかいけんま | electrolytic polishing; electro-polishing; electrolytic grinding; electrolytic machining | |
| 非核武装 | ひかくぶそう | nuclear weapon free; non-nuclear; denuclearized | |
| がん研究会 | がんけんきゅうかい | Japanese Foundation for Cancer Research; JFCR | |
| 主幹研究員 | しゅかんけんきゅういん | senior chief engineer | |
| 事例研究法 | じれいけんきゅうほう | case method; case study method | |
| 作物研究所 | さくもつけんきゅうじょ | National Institute of Crop Science | |
| 公武合体論 | こうぶがったいろん | idea of uniting the court and the shogunate (late Edo period) | |
| 包丁研ぎ器 | ほうちょうとぎき | knife sharpener | |
| 在外研究員 | ざいがいけんきゅういん | research student (worker) abroad | |
| 平成研究会 | へいせいけんきゅうかい | Heisei Kenkyūkai (faction of the Liberal Democratic Party) | |
| 建武の新政 | けんむのしんせい | Kenmu Restoration (1333-1336) | |
| 建築研究所 | けんちくけんきゅうじょ | Building Research Institute | |
| 心なし研削 | しんなしけんさく | centerless grinding; centreless grinding | |
| 心無し研削 | しんなしけんさく | centerless grinding; centreless grinding | |
| 政治的武器 | せいじてきぶき | political weapon | |
| 東武東上線 | とうぶとうじょうせん | Tōbu Tōjō Line | |
| 林業研修所 | りんぎょうけんしゅうじょ | Ringyou Training Institute | |
| 果樹研究所 | かじゅけんきゅうじょ | National Institute of Fruit Tree Science; NIFTS | |
| 武士の商法 | ぶしのしょうほう | amateurish and haughty way of doing business | |
| 武士の情け | ぶしのなさけ | samurai's compassion; samurai-like mercy | |
| 武士道の華 | ぶしどうのはな | flower of chivalry (Bushido) | |
| 武家の商法 | ぶけのしょうほう | amateurish and haughty way of doing business | |
| 武家諸法度 | ぶけしょはっと | Laws for the Military Houses (Tokugawa shogunate); laws establishing rules for daimyo | |
| 武者ぶるい | むしゃぶるい | trembling with excitement | |
| 武者振るい | むしゃぶるい | trembling with excitement | |
| 武装を解く | ぶそうをとく | to lay down one's arms; to disarm; to demilitarize | |
| 気象研究所 | きしょうけんきゅうじょ | Meteorological Research Institute | |
| 消防研究所 | しょうぼうけんきゅうじょ | Fire Research Institute | |
| 漫画研究会 | まんがけんきゅうかい | society for the study of manga; manga club | |
| 登山研修所 | とざんけんしゅうじょ | Tozan Training Institute | |
| 研ぎあげる | とぎあげる | to finish sharpening; to bring to a fine edge; to sharpen well; to polish up | |
| 研ぎすます | とぎすます | to sharpen; to grind; to whet; to hone | |
| 研ぎ上げる | とぎあげる | to finish sharpening; to bring to a fine edge; to sharpen well; to polish up | |
| 研磨仕上げ | けんましあげ | polishing; polished finish; burnished finish | |
| 研究分担者 | けんきゅうぶんたんしゃ | member (of a research project) | |
| 研究対象者 | けんきゅうたいしょうしゃ | human research subject; person who is being studied | |
| 研究責任者 | けんきゅうせきにんしゃ | principal investigator; PI | |
| 研讃を積む | けんさんをつむ | to apply oneself (to one's studies, research, etc.); to devote oneself to study; to pursue one's studies with dedication | |
| 研鑚をつむ | けんさんをつむ | to apply oneself (to one's studies, research, etc.); to devote oneself to study; to pursue one's studies with dedication | |
| 研鑚を積む | けんさんをつむ | to apply oneself (to one's studies, research, etc.); to devote oneself to study; to pursue one's studies with dedication | |
| 研鑽をつむ | けんさんをつむ | to apply oneself (to one's studies, research, etc.); to devote oneself to study; to pursue one's studies with dedication | |
| 研鑽を積む | けんさんをつむ | to apply oneself (to one's studies, research, etc.); to devote oneself to study; to pursue one's studies with dedication | |
| 神武天皇祭 | じんむてんのうさい | Festival of Emperor Jimmu (formerly held annually on April 3, the supposed day of his death) | |
| 神武此の方 | じんむこのかた | since the era of the Emperor Jimmu; (first ever) since the dawn of Japan's history; unprecedented | |
| 税務研修所 | ぜいむけんしゅうじょ | Zeimu Training Institute | |
| 税関研修所 | ぜいかんけんしゅうじょ | Zeikan Training Institute | |
| 縦断的研究 | じゅうだんてきけんきゅう | longitudinal study | |
| 自治研修所 | じじけんしゅうじょ | Jiji Training Institute | |
| 花き研究所 | かきけんきゅうじょ | National Institute of Floricultural Science | |
| 西武池袋線 | せいぶいけぶくろせん | Seibu Ikebukuro Line | |
| 観察的研究 | かんさつてきけんきゅう | observational study | |
| 農業研究所 | のうぎょうけんきゅうじょ | Agricultural Research Administration; Agricultural Research Institute | |
| 道徳再武装 | どうとくさいぶそう | Moral Rearmament; MRA | |
| 郵政研修所 | ゆうせいけんしゅうじょ | Posts and Telecommunications Training Institute | |
| 郵政研究所 | ゆうせいけんきゅうじょ | Institute for Posts and Telecommunications Policy; IPTP | |
| 養殖研究所 | ようしょくけんきゅうじょ | National Research Institute of Aquaculture; NRIA | |
| いのしし武者 | いのししむしゃ | daredevil; foolhardy warrior; hotspur | |
| イノシシ武者 | いのししむしゃ | daredevil; foolhardy warrior; hotspur | |
| メディア研究 | メディアけんきゅう | media studies | |
| 一宮研伸大学 | いちのみやけんしんだいがく | Ichinomiya Kenshin College | |
| 伝染病研究所 | でんせんびょうけんきゅうじょ | Institute of Infectious Diseases | |
| 公務員研修所 | こうむいんけんしゅうじょ | training institute for civil servants | |
| 初期臨床研修 | しょきりんしょうけんしゅう | initial clinical training (two-year postgraduate residency for new doctors) | |
| 和漢薬研究所 | わかんやくけんきゅうじょ | Institute of Natural Medicine | |
| 大日本武徳会 | だいにっぽんぶとくかい | Dai Nippon Butoku Kai (martial arts organization; 1895-1946) | |
| 天文学研究所 | てんもんがくけんきゅうじょ | Institute of Astronomy; IoA | |
| 太平洋研究所 | たいへいようけんきゅうじょ | Pacific Research Institute | |
| 後期臨床研修 | こうきりんしょうけんしゅう | specialty training (for doctors after two-year initial clinical training) | |
| 技術研究本部 | ぎじゅつけんきゅうほんぶ | Technical Research and Development Institute | |
| 教職員研修所 | きょうしょくいんけんしゅうじょ | training institute for teaching staff | |