| Kanji 漢字 / Romaji 音韻 | Kana / Hiragana / Phonetic | Definition |
| 施行 | せぎょう | (1) giving alms / giving food to the poor or monks |
| shikou | segyou |
| |
| セギュール | (u) Segur |
| segyu^ru |
| |
| 施肥 | せひ | manuring / fertilization |
| shi koe | sehi |
| |
| 施肥機 | せひき | fertilizer distributor (4) |
| shi koe ki | sehiki |
| |
| セホール | (p) Sehore (India) |
| seho^ru |
| |
| 世評 | せひょう | (n) reputation / public opinion |
| sehyou | sehyou |
| |
| 正 | せい | positive |
| sei | sei |
| |
| 世 | せい | Epoch (Geological) |
| yo | sei |
| |
| 性 | せい | gender |
| sei | sei |
| |
| 製 | せい | make, manufacture; (as suffix) made in / of ... |
| sei | sei |
| |
| 所為 | せい | (n) cause / reason / fault |
| shoi | sei |
| |
| 凄 | せい | threaten |
| sei | sei |
| |
| 制 | せい | system / organization / imperial command / laws / regulation / control / government / suppression / restraint / holding back / establishment |
| sei | sei |
| |
| 勢 | せい | (n) energy / military strength |
| sei | sei |
| |
| 姓 | せい | (n) surname / family name |
| sei | sei |
| |
| 性 | せい | sex / gender |
| sei | sei |
| |
| 正 | せい | (n) (logical) true / regular |
| sei | sei |
| |
| 製 | せい | -made / make |
| sei | sei |
| |
| 精 | せい | (n) spirit |
| sei | sei |
| |
| 背 | せい | (n) height / stature |
| se | sei |
| |
| 儕 | せい | companion |
| sai | sei |
| |
| セイ | Sei (f) / Say / See |
| sei |
| |
| 盛 | せい | Sei (s) (g) |
| jou | sei |
| |
| 莉 | らい | Rai (u) |
| sen | sei |
| |
| 莉英子 | りえこ | Rieko (f) |
| sen | sei |
| |
| 莉佳 | りか | Rika (g) |
| ۤ | sei |
| |
| 聖エルモの火 | せいエルモのひ | St Elmo's fire |
| hijiri erumo no hi | sei erumo nohi |
| |
| 莉花 | りか | Rika (g) |
| ۤܤ | sei |
| |
| 莉夏 | りか | Rika (g) |
| ۤ | sei |
| |
| 聖ニコラス | せいニコラス | Saint Nicholas |
| hijiri nikorasu | sei nikorasu |
| |
| 莉佳子 | りかこ | Rikako (f) |
| sen | sei |
| |
| 莉 | り | Ri (u) |
| sen | sei |
| |
| 莉英 | りえ | Rie (f) |
| ۤ | sei |
| |
| 莉 | れい | Rei (g) |
| ۤ | sei |
| |
| 性愛 | せいあい | (n) sexual love |
| seiai | seiai |
| |
| 性悪説 | せいあくせつ | (n) the view of human nature as fundamentally depraved |
| seiakusetsu | seiakusetsu |
| |
| 成案 | せいあん | (n) definite plan |
| seian | seian |
| |
| 正安息香酸 | せいあんそくこうさん | orthobenzoic acid |
| sei ansokukousan | seiansokukousan |
| |
| 静安定 | せいあんてい | static stability |
| sei antei | seiantei |
| |
| セイアヌス | (u) Seianus |
| seianusu |
| |