| Kanji 漢字 / Romaji 音韻 | Kana / Hiragana / Phonetic | Definition |
| 性腺 | せいせん | (n) sexual gland |
| sei sen | seisen |
| |
| 生鮮 | せいせん | fresh |
| seisen | seisen |
| |
| 精選 | せいせん | (n) careful selection |
| seisen | seisen |
| |
| 聖戦 | せいせん | (n) holy war / crusade |
| seisen | seisen |
| |
| 生鮮料品 | せいせんりょうひん | perishable foods |
| seisen ryou hin | seisenryouhin |
| |
| 生鮮食料品 | せいせんしょくりょうひん | (n) perishable food(s) / perishables |
| seisenshokuryouhin | seisenshokuryouhin |
| |
| 性染色体 | せいせんしょくたい | (n) sex chromosome |
| seisenshokutai | seisenshokutai |
| |
| 性腺摘除 | せいせんてきじょ | castration |
| sei sen teki jo | seisentekijo |
| |
| 正切 | せいせつ | (n) tangent (in trigonometry) |
| sei setsu | seisetsu |
| |
| 正接 | せいせつ | (n) tangent |
| sei setsu | seisetsu |
| |
| 斉射 | せいしゃ | (n) volley / fusillade |
| sei sha | seisha |
| |
| 正社員 | せいしゃいん | (n) regular (full-time) employee |
| seishain | seishain |
| |
| セイシャル | (p) Seixal |
| seisharu |
| |
| セイシャシュ | (u) Seixas |
| seishashu |
| |
| 世子 | せいし | (n) heir / successor |
| yo ko | seishi |
| |
| 制止 | せいし | (n) control / check / restraint / inhibition |
| seishi | seishi |
| |
| 姓氏 | せいし | (n) full name / family name |
| seishi | seishi |
| |
| 生死 | せいし | (n) life and death |
| seishi | seishi |
| |
| 正使 | せいし | (n) senior envoy / chief delegate |
| sei shi | seishi |
| |
| 正史 | せいし | (n) authentic history |
| seishi | seishi |
| |
| 正視 | せいし | (n) looking straight ahead / viewing sincerely |
| seishi | seishi |
| |
| 聖旨 | せいし | (n) imperial command |
| hijiri mune | seishi |
| |
| 精子 | せいし | (n) sperm |
| seishi | seishi |
| |
| 製糸 | せいし | (n) spinning / silk reeling / filature |
| seishi | seishi |
| |
| 製紙 | せいし | (n) paper making or manufacturing |
| seishi | seishi |
| |
| 誓紙 | せいし | (n) written oath |
| seishi | seishi |
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| 誓詞 | せいし | (n) vow / oath / pledge |
| seishi | seishi |
| |
| 青史 | せいし | (n) (written) history |
| ao shi | seishi |
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| 静思 | せいし | (n) meditation |
| sei omoi | seishi |
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| 静止 | せいし | (n) stillness / repose / standing still |
| seishi | seishi |
| |
| 静止粗さ | せいしあらさ | stationary roughness (15) |
| seishi arasa | seishiarasa |
| |
| 静止土圧係数 | せいしどあつけいすう | coefficient of earth pressure at rest |
| seishi doatsu keisuu | seishidoatsukeisuu |
| |
| 静止衛星 | せいしえいせい | satellite in geosynchronous orbit |
| seishieisei | seishieisei |
| |
| 静止画 | せいしが | still image |
| seishiga | seishiga |
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| 静止画 | せいしが | still image |
| seishiga | seishiga |
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| 静止画放送 | せいしがほうそう | (n) broadcasting of still pictures |
| seishiga housou | seishigahousou |
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| 正視眼 | せいしがん | (n) correct vision |
| seishi me | seishigan |
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| 静止画像 | せいしがぞう | background image / static image |
| seishigazou | seishigazou |
| |
| 静止画像 | せいしがぞう | still picture (1) |
| seishigazou | seishigazou |
| |
| 製糸業 | せいしぎょう | the silk industry |
| seishi gyou | seishigyou |
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