| Kanji 漢字 / Romaji 音韻 | Kana / Hiragana / Phonetic | Definition |
| 整斉 | せいせい | symmetrical |
| sei sei | seisei |
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| 正正 | せいせい | (adj-na) accurately / exactly / punctually / neatly |
| sei sei | seisei |
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| 正西 | せいせい | due west |
| sei nishi | seisei |
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| 清々 | せいせい | feel refreshed / feel relieved |
| seisei | seisei |
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| 清清 | せいせい | feel refreshed / feel relieved |
| kiyoshi kiyoshi | seisei |
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| 正々 | せいせい | (adj-na) accurately / exactly / punctually / neatly |
| seisei | seisei |
| |
| 生成 | せいせい | (n) create / generate / form |
| seisei | seisei |
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| 生生 | せいせい | lively / growing up |
| namanama | seisei |
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| 精製 | せいせい | purification |
| seisei | seisei |
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| 生成文法 | せいせいぶんぽう | generative grammar |
| seiseibunpou | seiseibunpou |
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| 生成文法 | せいせいぶんぽう | generative grammar |
| seiseibunpou | seiseibunpou |
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| 正々堂々 | せいせいどうどう | fair and square / open and aboveboard |
| seiseidoudou | seiseidoudou |
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| 正正堂堂 | せいせいどうどう | fair and square / open and aboveboard |
| sei seidou dou | seiseidoudou |
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| 正々堂々 | せいせいどうどう | fair and square / open and aboveboard |
| seiseidoudou | seiseidoudou |
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| 正正堂堂たる | せいせいどうどうたる | (adj-t) fair and square / open and aboveboard |
| sei seidou dou taru | seiseidoudoutaru |
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| 正々堂堂たる | せいせいどうどうたる | (adj-t) fair and square / open and aboveboard |
| seisei dou dou taru | seiseidoudoutaru |
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| 精製品 | せいせいひん | (n) refined or finished goods |
| seisei hin | seiseihin |
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| 精製法 | せいせいほう | refining process |
| seisei hou | seiseihou |
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| 生成意味論 | せいせいいみろん | generative semantics |
| seisei imiron | seiseiimiron |
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| 性成熟 | せいせいじゅく | sexual maturation |
| sei seijuku | seiseijuku |
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| 性生活 | せいせいかつ | (n) sex life |
| seiseikatsu | seiseikatsu |
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| 生成規則 | せいせいきそく | production |
| seiseikisoku | seiseikisoku |
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| 生成規則 | せいせいきそく | production rule / generation rule |
| seiseikisoku | seiseikisoku |
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| 精製ライン | せいせいらいん | finishing line (4) |
| seisei rain | seiseirain |
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| 生生流転 | せいせいるてん | constant change |
| seiseiruten | seiseiruten |
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| 生成子部分集合 | せいせいしぶぶんしゅうごう | partial generator set |
| seisei ko bubunshuugou | seiseishibubunshuugou |
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| 生成子完全集合 | せいせいしかんぜんしゅうごう | complete generator set |
| seisei ko kanzen shuugou | seiseishikanzenshuugou |
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| 正正と | せいせいと | accurately / exactly / punctually / neatly / nicely |
| sei sei to | seiseito |
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| 正々と | せいせいと | accurately / exactly / punctually / neatly / nicely |
| seisei to | seiseito |
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| 精製糖 | せいせいとう | refined sugar |
| seisei tou | seiseitou |
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| 成績 | せいせき | (n) results / record |
| seiseki | seiseki |
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| 聖跡 | せいせき | (n) holy site |
| hijiri ato | seiseki |
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| 聖蹟 | せいせき | (n) holy site |
| hijiri ato | seiseki |
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| 成績表 | せいせきひょう | (n) report card / result sheet |
| seisekihyou | seisekihyou |
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| 成績係数 | せいせきけいすう | coefficient of performance (10) |
| seiseki keisuu | seisekikeisuu |
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| 成績証明書 | せいせきしょうめいしょ | (n) transcript of results |
| seisekishoumeisho | seisekishoumeisho |
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| 生石灰 | せいせっかい | (n) quick lime |
| nama sekkai | seisekkai |
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| 製銑 | せいせん | iron making (4) |
| sei sen | seisen |
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| 井泉 | せいせん | (n) (water) well |
| i izumi | seisen |
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| 征戦 | せいせん | (n) military expedition |
| sei sen | seisen |
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