| Kanji 漢字 / Romaji 音韻 | Kana / Hiragana / Phonetic | Definition |
| 下院議 | かいんぎ | lower house (of Parliament, etc.) |
| kain gi | kaingi |
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| 下院議長 | かいんぎちょう | Speaker of the House (US) |
| kain gichou | kaingichou |
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| 下院議員 | かいんぎいん | member of the lower house / commoner |
| kain giin | kaingiin |
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| カインホルスト | (u) Keinhorst |
| kainhorusuto |
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| カイ二乗検定 | かいにじょうけんてい | chi-square test / (MKT) |
| kai jijoukentei | kainijoukentei |
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| 解任 | かいにん | removal / dismissal |
| kainin | kainin |
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| 解任 | かいにん | dismissal |
| kainin | kainin |
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| 懐妊 | かいにん | pregnancy / conception |
| kainin | kainin |
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| 海人酸 | かいにんさん | (n) kainic acid |
| ama san | kaininsan |
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| 解の下界 | かいのげかい | lower bound (1) |
| kai no gekai | kainogekai |
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| 解の上界 | かいのじょうかい | upper bound (1) |
| kai no joukai | kainojoukai |
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| 会の創立者 | かいのそうりつしゃ | founder of a society |
| kai no souritsusha | kainosouritsusha |
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| 皆納 | かいのう | (n) full payment of a tax |
| mina nou | kainou |
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| 解の唯一性 | かいのゆいいつせい | uniqueness of solution (1) |
| kai no yuiitsusei | kainoyuiitsusei |
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| カインツ | (u) Kainz |
| kaintsu |
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| カイヌナ | (p) Kynuna |
| kainuna |
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| 買主 | かいぬし | buyer |
| bai shu | kainushi |
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| 飼い主 | かいぬし | (n) shepherd / (dog) owner |
| kainushi | kainushi |
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| 飼主 | かいぬし | (n) shepherd / (dog) owner |
| shi shu | kainushi |
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| 買い主 | かいぬし | (n) buyer / purchaser |
| kainushi | kainushi |
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| 買主 | かいぬし | (n) buyer / purchaser |
| bai shu | kainushi |
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| 介入 | かいにゅう | intervention (vs) |
| kainyuu | kainyuu |
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| 介入 | かいにゅう | intervention |
| kainyuu | kainyuu |
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| 介入権 | かいにゅうけん | right to intervene |
| kainyuu ken | kainyuuken |
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| 介入を匂わせる | かいにゅうをにおわせる | (exp) to hint at one's intervention |
| kainyuu wo niowa seru | kainyuuwoniowaseru |
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| 飼い桶 | かいおけ | (n) manger |
| kai oke | kaioke |
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| 買い置き | かいおき | (n) a stock (of goods) |
| kaioki | kaioki |
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| 快音 | かいおん | (n) clear sound |
| kai oto | kaion |
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| 海音寺潮五郎 | かいおにじちょうごろう | Kaionji Chougorou (h) |
| kaionji shio gorou | kaionijichougorou |
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| 海王星 | かいおうせい | (n) Neptune (planet) |
| kaiousei | kaiousei |
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| カイパー | (u) Kuiper |
| kaipa^ |
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| カイパース | (u) Kuipers |
| kaipa^su |
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| カイラ | (p) Kaira (India) / Kaila / Kyra |
| kaira |
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| 界雷 | かいらい | (n) frontal thunderstorm |
| kai kaminari | kairai |
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| 傀儡 | かいらい | (n) puppet / dummy |
| kairai | kairai |
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| 傀儡政府 | かいらいせいふ | puppet government |
| kairai seifu | kairaiseifu |
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| 傀儡師 | かいらいし | (n) puppet player / wirepuller |
| kairai shi | kairaishi |
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| 快楽 | かいらく | (n) pleasure |
| kairaku | kairaku |
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| 偕楽 | かいらく | (n) enjoying oneself with others |
| kairaku | kairaku |
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| 快楽原則 | かいらくげんそく | (n) pleasure principle |
| kairakugensoku | kairakugensoku |
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