| term | pronunciation | English |
|---|
| 改めて | あらためて | another time; again; over again |
| 改善 | かいぜん | betterment, improvement |
| 改札 | かいさつ | examination of tickets |
| 改正 | かいせい | revision, amendment, alteration |
| 改造 | かいぞう | (1) remodeling, (2) modding (comp) |
| 改修 | かいしゅう | repair, improvement |
| 改姓 | かいせい | changing one's family name |
| 改定 | かいてい | reform |
| 改悟 | かいご | repentance |
| 改憲 | かいけん | constitutional change |
| 改築 | かいちく | structural alteration of building, reconstruction |
| 改編 | かいへん | reorganization, reorganisation |
| 改良 | かいりょう | improvement, reform |
| 改訂 | かいてい | revision |
| 改訂版 | かいていばん | revised edition |
| 改選 | かいせん | re-election |
| 改鋳 | かいちゅう | reminting, recasting |
| 改革 | かいかく | reform, reformation, innovation |
| 更改 | こうかい | renewal, renovation, reform |
| 農地改革 | のうちかいかく | agrarian reform |