すっぱいすっぱいsour, acidすてきすてきlovely, great既にすでにalready (same as もう)すなわちすなわちthat is, namely, e.g.スピーチスピーチspeech全てすべてall, the whole, entirely済ませるすませるto be finished角すみcorner墨すみinkすみません (かん)すみません (かん)sorry, excuse me澄むすむto clear (e.g., weather), to become transparent清むすむto clear (e.g., weather), to become transparent刷るするto print為るするto do, to attempt鋭いするどいpointed, sharpすれ違うすれちがうto pass by one anotherずれるずれるmove, off the point正せい(logical) true, regular生せいbirth性せいsex, gender姓せいsurname, family name所為せいcause, reason, fault税ぜいtax性格せいかくcharacter, personality正確せいかくaccurate, punctuality, exact世紀せいきcentury請求せいきゅうclaim, demand, request税金ぜいきんtax, duty清潔せいけつclean制限せいげんrestriction, restraint, limitation成功せいこうsuccess, hit正式せいしきofficial, formal性質せいしつnature, property, disposition精神せいしんmind, soul, spirit成人せいじんadult精々せいぜいat the most, at best成績せいせきgrade (i.e., on a test), academic record製造せいぞうmanufacture, production贅沢ぜいたくluxury, extravagance成長せいちょうgrowth生長せいちょうgrowth制度せいどsystem, institution青年せいねんyouth, young man生年月日せいねんがっぴbirth date製品せいひんmanufactured goods, finished goods政府せいふgovernment, administration生物せいぶつliving thing, organism生命せいめいlife整理せいりsorting, arrangement咳せきcough石炭せきたんcoal責任せきにんduty, responsibility石油せきゆoil, petroleum, kerosene世間せけんworld, society説せつtheory積極的せっきょくてきpositive, active, proactive設計せっけいplan, design絶対ぜったいdefinitely, without fail, absolutenessセットセットset愛あいlove相変わらずあいかわらずas ever, as usual愛情あいじょうlove, affection合図あいずsign, signalアイスクリームアイスクリームice cream愛するあいするto love相手あいてpartnerあいにくあいにくunfortunately遭うあうto meet, to encounter (undesirable nuance)アウトアウトout明かりあかりlamplight, light (in general)空きあきvacancy, opening, space明らかあきらかobvious, clear諦めるあきらめるto give up, to abandon飽きるあきるto get tired of, to lose interest in握手あくしゅhandshake悪魔あくまdevil, demon, evil spirit明けるあけるto dawn, to become daylight揚げるあげるto lift, to fry挙げるあげるto raise預かるあずかるto keep (something) for (someone)預けるあずけるto give into custody, to deposit汗あせsweat, perspiration与えるあたえるto give温かいあたたかいwarm暖まるあたたまるto warm up温まるあたたまるto warm oneself, to get warm暖めるあたためるto warm (up to someone/something), to heat (up to someone/something)温めるあたためるto warm, to heat辺りあたりvicinity, nearby当たり前あたりまえusual, common, obvious当たるあたるto be hit, to be successfulあちこちあちこちhere and there扱うあつかうto treat, to handle, to deal with集まりあつまりgathering, meeting, collection当てるあてるto hit跡あとtrace穴あなhole油あぶらoil脂あぶらfat誤りあやまりerror粗あらdefect, flaw, fault嵐あらしstorm争うあらそうto dispute, to argue, to fight新たあらたnew, freshあらゆるあらゆるall, every表すあらわすto express, to show現すあらわすto show, to appear, to reveal著すあらわすto write, to publish現れあらわれexpression, indication, sign現れるあらわれるto appear (v.i.), to become visibleありがとうありがとうThank you在る; 有るあるto live, to be, to exist或あるa certain..., some...あるいはあるいはor, perhapsアルバムアルバムalbum泡あわbubble, foam合わせるあわせるto combine慌てるあわてるto become confused、to panic哀れあわれhelpless, pity, pathetic案あんplan, scheme, proposal案外あんがいunexpectedly暗記あんきmemorization, learning by heart安定あんていstability, equilibriumあんなにあんなにto that extent, to that degreeあんまりあんまりnot very, not much胃いstomach委員いいんcommittee member意外いがいunexpected, surprising行きいきgoing息いきbreath勢いいきおいforce, vigor, momentum生き物いきものliving thing, creatureいけないいけないmust not do, bad, wrong医師いしdoctor, physician意思いしintention, purpose意志いしwill, volition維持いじmaintenance, preservation意識いしきconsciousness, senses異常いじょうstrangeness, abnormality, disorder意地悪いじわるmalicious, mean, unkind泉いずみspring, fountainいずれいずれwhere, which, who以前いぜんin the past板いたboard, plank偉大いだいgreatness抱くいだくto hold (v.t.) (written expression), to embrace, to harborいたずらいたずらtrick, practical jokeいただきますいただきますexpression of gratitude before meals痛みいたみpain, ache, sore至るいたるto come, to arrive市いちmarket, fair位置いちplace, position一時いちじfor a time, temporarily一度にいちどにall at once市場いちばmarket, bazaarいつかいつかsometime, one day一家いっかfamily, clan一種いっしゅa species, a kind, a variety一瞬いっしゅんa moment, an instant一生いっしょうthroughout (one's) life一層いっそうmuch more, still more一体いったいone object一致いっちagreementいつでもいつでも(at) any time, alwaysいつのまにかいつのまにかbefore one knows一般いっぱんgeneral, average一方いっぽうon the other handいつまでもいつまでもforever, for good, eternally移動いどうmigration, movement従兄弟いとこcousin (male)従姉妹いとこcousin (female)稲いねrice-plant居眠りいねむりdozing, nodding off命いのちlife違反いはんviolation (of law), infringement衣服いふくclothes居間いまliving room今にいまにbefore long, soon今にもいまにもat any time, soonイメージイメージone's image否いやno, the noes以来いらいsince, henceforth依頼いらいrequestいらいらいらいらgetting nervous, irritationいらっしゃいいらっしゃいwelcome医療いりょうmedical care, medical treatment岩いわrock祝いいわいcelebration, festival祝ういわうto congratulate, to celebrate言わばいわばso to speakいわゆるいわゆるthe so-called, so-to-speakインクインクink印刷いんさつprinting印象いんしょうimpression引退いんたいretirementインタビューインタビューinterview引用いんようquotation, citationウイスキーウイスキーwhiskey魚うおfishうがいうがいgargling受け取るうけとるto receive, to get, to accept動かすうごかすto move, to shift兎うさぎrabbit, hare牛うしcattle, cow失ううしなうto lose, to part with疑ううたがうto doubt, to distrust宇宙うちゅうuniverse, cosmos, space討つうつto attack, to avenge撃つうつto attack, to shootうっかりうっかりcarelessly映すうつすto project, to reflect, to cast (shadow)訴えるうったえるto complain, to appeal, to sue (a person)写るうつるto be photographed, to be projected映るうつるto be reflected, to come out (photo)うなるうなるto groan, to moan奪ううばうto rob, to deprive馬うまhorse生まれうまれbirth, birth-place有無うむyes or no, presence or absence梅うめplum, lowest (of a three-tier ranking system)