| 末永く | forever, everlastingly, for many years to come, ever |
| 永谷園 | Nagatanien (name of a tea shop) |
| 永のお暇になる | to be dismissed |
| 永の | long, eternal |
| 永久革命論 | permanent revolution |
| 永久機関 | perpetual motion |
| 永久公債 | perpetual bond |
| 永久硬水 | permanent hard water |
| 永久磁場 | permanent magnetic field |
| 永久磁石発電機 | permanent magnet generator |
| 永久組織 | permanent tissue |
| 永久電流 | permanent current |
| 永久凍土 | permafrost |
| 永久雇用 | permanent employment |
| 永らえる | to have a long life, to live a long time |
永いこと 永い事 | for a long time |
| 永久欠番 | retired (uniform) number |
| 永久不変 | permanence, forever unchanging |
| 永劫回帰 | eternal recurrence, eternal return |
| 永字八法 | the eight basic brush strokes in writing Chinese characters |
| 永代供養 | services performed in perpetuity by a Buddhist temple for the repose of a departed soul |
| 末永い | permanent, everlasting, lasting, very long, many years of |
| 永観 | Eikan era (983.4.15-985.4.27) |
| 永延 | Eien era (987.4.5-989.8.8) |
| 永祚 | Eiso era (989.8.8-990.11.7) |
| 永承 | Eishou era (1046.4.14-1053.1.11) |
| 永保 | Eihou or Eiho era (1081.2.10-1084.2.7) |
| 永長 | Eichou era (1096.12.17-1097.11.21) |
| 永治 | Eiji era (1141.7.10-1142.4.28) |
| 永暦 | Eiryaku era (1160.1.10-1161.9.4) |
| 永万 | Eiman era (1165.6.5-1166.8.27) |
| 寿永 | Juei era (1182.5.27-1184.4.16) |
| 貞永 | Jouei era (1232.4.2-1233.4.15) |
| 永仁 | Einin era (1293.8.5-1299.4.25) |
| 康永 | Kouei era (of the Northern Court) (1342.4.27-1345.10.21) |
| 永和 | Eiwa era (of the Northern Court) (1375.2.27-1379.3.22) |
| 永徳 | Eitoku era (of the Northern Court) (1381.2.24-1384.2.27) |
| 応永 | Ouei era (1394.7.5-1428.4.27) |
| 永享 | Eikyou era (1429.9.5-1441.2.17) |
| 永正 | Eishou era (1504.2.30-1521.8.23) |
| 大永 | Taiei era (1521.8.23-1528.8.20) |
| 永禄 | Eiroku era (1558.2.28-1570.4.23) |
| 宝永 | Houei era (1704.3.13-1711.4.25) |
| 嘉永 | Kaei era (1848.2.28-1854.11.27) |
| 永久選挙人名簿 | permanent voter registration list |
| 非永住者 | non-permanent resident |