| Kanji 漢字 / Romaji 音韻 | Kana / Hiragana / Phonetic | Definition |
| 古法 | こほう | (n) old method / old law |
| ko hou | kohou |
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| コホウト | (u) Kohout |
| kohouto |
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| コホート | cohort (statistics) |
| koho^to |
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| コホーズ | (p) Cohoes |
| koho^zu |
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| 小兵 | こひょう | (n) small build or stature |
| shouhei | kohyou |
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| 故意 | こい | intent |
| koi | koi |
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| 古意 | こい | (n) ancient ways / the feelings of the ancients |
| ko i | koi |
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| 故意 | こい | (n) intention / purpose / bad faith |
| koi | koi |
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| 乞い | こい | (n) request / entreaty |
| koi | koi |
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| 鯉 | こい | (n) carp |
| koi | koi |
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| 請い | こい | (n) (a) request |
| koi | koi |
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| 濃い | こい | (adj) thick (as of color, liquid) / dense / strong |
| koi | koi |
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| 恋 | こい | love / tender passion |
| koi | koi |
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| コイ | (u) Coye |
| koi |
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| 濃いスープ | こいスープ | thick soup |
| koi su^pu | koi su^pu |
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| コイバ島 | コイバとう | (p) Isla Coiba |
| koiba shima | koiba tou |
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| コイビスト | (u) Koivsto |
| koibisuto |
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| 恋人 | こいびと | (n) lover / sweetheart |
| koibito | koibito |
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| 恋文 | こいぶみ | (n) love-letter |
| koibumi | koibumi |
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| 小一時間 | こいちじかん | nearly one hour |
| shouichi jikan | koichijikan |
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| 小一村尾 | こいちむらお | Koichi Murao (h) |
| shouichi murao | koichimurao |
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| 小出政秀 | こいでまさひで | Koide Masahide (h) |
| koide matsurigoto shuu | koidemasahide |
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| 小井土 | こいづち | Koidzuchi (s) |
| shou i tsuchi | koiduchi |
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| 小伊津町 | こいづちょう | Koidzuchou |
| shou izu machi | koiduchou |
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| 肥塚 | こいづか | Koidzuka |
| koezuka | koiduka |
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| 小飯塚 | こいづか | Koidzuka (s) |
| shou iiduka | koiduka |
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| 肥塚 | こいづか | Koidzuka (p) |
| koezuka | koiduka |
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| 恋塚 | こいづか | Koidzuka (u) |
| koi tsuka | koiduka |
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| 戀塚 | こいづか | Koidzuka (u) |
| koi tsuka | koiduka |
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| 小井塚 | こいづか | Koidzuka (s) |
| shou i tsuka | koiduka |
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| 恋疲れ | こいづかれ | (n) haggard from love |
| koi tsukare | koidukare |
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| 恋妻 | こいづま | (n) loving wife |
| koi tsuma | koiduma |
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| 小泉 | こいづみ | Koidzumi (s) |
| koizumi | koidumi |
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| コイエット | (u) Coyett |
| koietto |
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| 恋仇 | こいがたき | (n) one's rival in love |
| koi ada | koigataki |
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| 恋敵 | こいがたき | (n) one's rival in love |
| koigataki | koigataki |
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| 恋心 | こいごころ | (n) one's love / awakening of love |
| koigokoro | koigokoro |
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| 鯉口 | こいぐち | (n) mouth of a (sword) sheath |
| koi kuchi | koiguchi |
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| 恋草 | こいぐさ | lovesickness |
| koi kusa | koigusa |
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| 古飯塚 | こいいづか | Koiidzuka (u) |
| ko iiduka | koiiduka |
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