| Word | Reading | Meaning | Level |
|---|
| 保存 | ほぞん | preservation, storage | N4 |
| 保存版 | ほぞんばん | keepsake edition | N3 |
| 依存度 | いぞんど | degree of dependence | N3 |
| 存在意義 | そんざいいぎ | reason for being | N2 |
| 依存 | いぞん | reliance, structural dependence | N1 |
| 相互依存 | そうごいぞん | interdependence | N1 |
| 存続 | そんぞく | survival, continuation | N1 |
| 記録保存 | きろくほぞん | archival record keeping | N1 |
| 保存性 | ほぞんせい | biological resilience and longevity | N1 |
| 保存手入れ | ほぞんていれ | meticulous preservation stewardship | N1 |
| 保存義務 | ほぞんぎむ | legal and cultural duty of perpetual preservation | N1 |
| 永久保存 | えいきゅうほぞん | permanent archival protection for centuries | N1 |
| 菌株保存 | きんしゅほぞん | microbiological strain preservation | N1 |
| 凍結保存 | とうけつほぞん | cryogenic preservation of bacterial cultures | N1 |
| 永久保存版 | えいきゅうほぞんばん | archival preservation copy sealed for posterity | N1 |
