| Kanji 漢字 / Romaji 音韻 | Kana / Hiragana / Phonetic | Definition |
| 弧状 | こじょう | in form of arch |
| ko jou | kojou |
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| 湖上 | こじょう | (n) on the lake |
| kojou | kojou |
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| 弧状列島 | こじょうれっとう | Arcuate Islands |
| ko jou rettou | kojourettou |
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| 小綬鶏 | こじゅけい | (n) Chinese partridge |
| shou himo niwatori | kojukei |
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| 子順序番号 | こじゅんじょばんごう | child-sequence-number |
| ko junjo bangou | kojunjobangou |
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| 小姑 | こじゅうと | (n) sister-in-law |
| kojuuto | kojuuto |
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| 小舅 | こじゅうと | (n) brother-in-law |
| shou shuuto | kojuuto |
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| 小姑 | こじゅうとめ | (n) sister-in-law |
| kojuuto | kojuutome |
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| 古歌 | こか | (n) old song / old poem |
| koka | koka |
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| 固化 | こか | solidification |
| koka | koka |
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| コカの木 | コカのき | (n) coca tree |
| koka no ki | koka noki |
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| 子株 | こかぶ | (n) (plant's) new bulb / new stocks |
| ko kabu | kokabu |
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| 小鍜治 | こかぢ | Kokadzi (s) |
| shou shikoro osamu | kokadi |
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| 樹陰 | こかげ | (n) (rare) shade of a tree |
| ki in | kokage |
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| 木蔭 | こかげ | (n) bower / shade of a tree |
| ki in | kokage |
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| 木陰 | こかげ | (n) shade of tree |
| kokage | kokage |
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| 木陰に憩う | こかげにいこう | (exp) to take a rest under a tree |
| kokage ni ikou | kokageniikou |
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| コカイン | (n) cocaine |
| kokain |
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| コカコーラ | Coca-Cola |
| kokako^ra |
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| 呼格 | こかく | vocative |
| ko kaku | kokaku |
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| 古格 | こかく | (n) convention / usage / old customs / old etiquette |
| ko kaku | kokaku |
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| 孤客 | こかく | (n) lone traveller |
| ko kyaku | kokaku |
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| 顧客 | こかく | (n) customer / client / patron |
| kokyaku | kokaku |
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| 顧客ベース | こかくベース | (n) customer base |
| kokyaku be^su | kokaku be^su |
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| 顧客ニーズ | こかくニーズ | (n) customer needs |
| kokyaku ni^zu | kokaku ni^zu |
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| 股間 | こかん | (n) nether region / between the legs |
| kokan | kokan |
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| 胯間 | こかん | (n) nether region / between the legs |
| ko kan | kokan |
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| コカナダ | (p) Cocanada |
| kokanada |
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| コカンド | (p) Kokand (Russia) |
| kokando |
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| 股間節 | こかんせつ | hip joint |
| kokan fushi | kokansetsu |
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| 股関節 | こかんせつ | (n) hip joint / coxa |
| kokansetsu | kokansetsu |
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| 虎関師錬 | こかんしれん | Kokan Shiren (h) |
| tora kan shi | kokanshiren |
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| コカヌア | (u) Cocannouer |
| kokanua |
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| コカラル | (u) Kockerell |
| kokararu |
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| 子方 | こかた | (n) child's role in Noh dance |
| ko hou | kokata |
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| 枯渇 | こかつ | starvation |
| kokatsu | kokatsu |
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| 枯渇 | こかつ | drying up / becoming exhausted / running dry |
| kokatsu | kokatsu |
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| 涸渇 | こかつ | drying up / becoming exhausted / running dry |
| kokatsu | kokatsu |
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| 顧客サービス | こかうサービス | customer service |
| kokyaku sa^bisu | kokau sa^bisu |
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| コカー | (u) Coker |
| koka^ |
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