| Kanji 漢字 / Romaji 音韻 | Kana / Hiragana / Phonetic | Definition |
| 小飯塚 | こいいづか | Koiidzuka (u) |
| shou iiduka | koiiduka |
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| 恋路 | こいじ | (n) romance / love's pathway |
| koiji | koiji |
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| 恋死 | こいじに | (n) dying of love |
| koi shi | koijini |
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| 恋歌 | こいか | (n) love song / love poem |
| koiuta | koika |
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| 恋河 | こいかわ | oceans of love |
| koi kawa | koikawa |
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| 恋風 | こいかぜ | (n) love's zephyr |
| koi kaze | koikaze |
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| 小意気 | こいき | smart / stylish |
| shou iki | koiki |
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| 小粋 | こいき | smart / stylish |
| shou sui | koiki |
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| 恋い焦がれる | こいこがれる | (v1) to yearn for / to be deeply in love with |
| koi koga reru | koikogareru |
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| 恋焦がれる | こいこがれる | (v1) to yearn for / to be deeply in love with |
| koi koga reru | koikogareru |
| |
| 恋心 | こいこころ | (n) one's love / awakening of love |
| koigokoro | koikokoro |
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| 恋い籠る | こいこもる | (v5r) to be deeply in love |
| koi komoru | koikomoru |
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| コイク川 | コイクがわ | (p) Rio Coig |
| koiku kawa | koiku gawa |
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| 恋い暮らす | こいくらす | (v5s) to live deeply in love |
| koi kura su | koikurasu |
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| 恋い乱る | こいみだる | (v5r) to be lovesick |
| koi midaru | koimidaru |
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| 恋水 | こいみず | tears of love |
| koi mizu | koimizu |
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| 恋物語 | こいものがたり | (n) love story |
| koimonogatari | koimonogatari |
| |
| 乞婿 | こいむこ | bridegroom who is loved by his bride |
| kitsu muko | koimuko |
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| コイン | (n) coin |
| koin |
| |
| 雇員 | こいん | (n) assistant / employee |
| koin | koin |
| |
| コイン | (p) Coin / Coyne / Keun |
| koin |
| |
| コイナ川 | コイナがわ | (p) Coina (river) |
| koina kawa | koina gawa |
| |
| 小稲津 | こいなづ | Koinadzu (p) |
| shou ine tsu | koinadu |
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| 小稲津町 | こいなづちょう | Koinadzuchou |
| shou ine tsu machi | koinaduchou |
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| 恋慰め | こいなぐさめ | comforting the lovelorn |
| koi nagusame | koinagusame |
| |
| 恋仲 | こいなか | (n) love / love relationship |
| koinaka | koinaka |
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| 濃い仲である | こいなかである | to be thick (with) / to bound by love |
| koi naka dearu | koinakadearu |
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| コイナレ | (p) Koynare |
| koinare |
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| 恋情 | こいなさけ | (n) (1) love / attachment / (2) lovesickness |
| koi jou | koinasake |
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| コインバトール | (p) Coimbatore (India) |
| koinbato^ru |
| |
| コインブラ | (p) Coimbra (Portugal) |
| koinbura |
| |
| 恋猫 | こいねこ | (n) cats in season / haiku term for spring |
| koi neko | koineko |
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| 故意に | こいに | intentionally (usually knowingly) / wilfully / knowingly |
| koi ni | koini |
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| コイニング | こいにんぐ | coining (8) |
| koiningu | koiningu |
| |
| 鯉のぼり | こいのぼり | (n) carp streamer / carp banner |
| koi nobori | koinobori |
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| 鯉幟 | こいのぼり | (n) carp streamer / carp banner |
| koinobori | koinobori |
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| 恋の悩み | こいのなやみ | pain of love / love troubles |
| koi no nayami | koinonayami |
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| コインランドリー | coin laundry / laundrette |
| koinrandori^ |
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| コインロッカー | (n) coin locker |
| koinrokka^ |
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| 古印紙 | こいんし | used stamps |
| ko inshi | koinshi |
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