| Word | Reading | Meaning |
|---|
| 久しぶり | ひさしぶり | a long time (since the last time), it's been a while (since I last saw, mailed, etc., you) |
| 久々 | ひさびさ | (in a) long time, long time (ago), while (ago), long ago, long while (ago), (in a) long while |
| 永久 | えいきゅう, とこしえ, とわ | eternity, perpetuity, immortality; Eikyuu era (1113.7.13-1118.4.3) |
| 恒久 | こうきゅう | permanent, perpetuity |
| 耐久 | たいきゅう | endurance, persistence |
| 持久 | じきゅう | endurance, persistence |
| 耐久性 | たいきゅうせい | durability |
| 久しい | ひさしい | long, long-continued, old (story) |
| 半永久 | はんえいきゅう | semipermanence |
| 悠久 | ゆうきゅう | eternity, perpetuity, permanence |
