| Word | Reading | Meaning | Level |
|---|
| 永遠 | えいえん | eternity, permanence | N4 |
| 永久 | えいきゅう | permanence, forever | N2 |
| 永続 | えいぞく | permanence, perpetuation | N1 |
| 永久不滅 | えいきゅうふめつ | eternal, imperishable | N1 |
| 永年の労苦 | えいねんのろうく | multi-year toil and perseverance | N1 |
| 永久保存 | えいきゅうほぞん | permanent archival protection for centuries | N1 |
| 永久の初心 | とわのしょしん | cultivating beginner's mind across a lifetime | N1 |
| 永遠の命 | えいえんのいのち | timeless, eternal continuity of art | N1 |
| 永久保存版 | えいきゅうほぞんばん | archival preservation copy sealed for posterity | N1 |
| 永続する信認 | えいぞくするしんにん | enduring institutional trust and public credit | N1 |
| 永遠の継承 | えいえんのけいしょう | eternal, uninterrupted transmission of human mastery | N1 |
