| 550 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 644 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 615 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 690 | A New Dictionary of Kanji Usage |
| 130 | Classic Nelson (Andrew Nelson) |
| 560 | Essential Kanji (P.G. O’Neill) |
| 663 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 149 | Japanese Names (P.G. O’Neill) |
| 1207 | Kanji and Kana (Spahn and Hadamitzky) |
| 1270 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1096 | Kanji in Context (Nishiguchi and Kono) |
| 1152 | Kodansha Compact Kanji Guide |
| 2436 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1230 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1695 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 134 | Les Kanjis dans la tete (Yves Maniette) |
| 17088 | Morohashi |
| 1937 | New Japanese English Character Dictionary (Jack Halpern) |
| 3031 | New Nelson (John Haig) |
| 132 | Remembering The Kanji (James Heisig) |
| 139 | Remembering The Kanji, 6th edition (James Heisig) |
| 646 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in grade 5
JLPT level N2
846 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 永久 【エイキュウ】 eternity, permanence, perpetuity, Eikyū era (1113.7.13-1118.4.3)
- 永遠 【エイエン】 eternity, perpetuity, permanence, immortality
- 永々 【エイエイ】 forever
- 大永 【タイエイ】 Taiei era (1521.8.23-1528.8.20)
Kun reading compounds
- 長い 【ながい】 long (distance, length), long (time), protracted, prolonged
- 長いこと 【ながいこと】 for a long time
Readings
- Japanese names:
- え、 と、 のり、 ひさ、 ひさし
- Korean:
- yeong
Spanish
- eterno
- infinito
- perpetuo
- largo
- prolongado
Portuguese
- eternidade
- ambicionar
French
- éternité
- long
- permanent
| 342 | 2001 Kanji |
| 3a1.1 | The Kanji Dictionary |
| 2-1-4 | SKIP code |
| 4-5-4 | SKIP code |
| 3023.2 | Four corner code |
| 1-17-42 | JIS X 0208-1997 kuten code |
| 6c38 | Unicode hex code |
Jōyō kanji, taught in grade 6
JLPT level N3
577 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 存続 【ソンゾク】 continuance, survival, persistence, retention, duration
- 存在 【ソンザイ】 existence, being, presence
- 残存 【ザンゾン】 survival, remaining, being extant, being left
- 共存 【キョウゾン】 coexistence
- 存分 【ゾンブン】 to one's heart's content, as much as one likes, without reserve, freely, to the full
- 存じる 【ゾンジル】 to know, to be aware (of), to be acquainted (with), to think, to consider, to believe, to feel
- 温存 【オンゾン】 preservation, retainment, keeping
- 共存 【キョウゾン】 coexistence
Kun reading compounds
- 永らえる 【ながらえる】 to have a long life, to live a long time
Readings
- Japanese names:
- あり、 まさ
- Korean:
- jon
Spanish
- existir
- proteger
- conocer
- suponer
Portuguese
- supor
- estar atento
- acreditar
- sentir
French
- supposer
- être conscient de
- croire
- sentir
| 836 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 938 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 926 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 724 | A New Dictionary of Kanji Usage |
| 1267 | Classic Nelson (Andrew Nelson) |
| 405 | Essential Kanji (P.G. O’Neill) |
| 455 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 313 | Japanese Names (P.G. O’Neill) |
| 269 | Kanji and Kana (Spahn and Hadamitzky) |
| 269 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 587 | Kanji in Context (Nishiguchi and Kono) |
| 458 | Kodansha Compact Kanji Guide |
| 3702 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1894 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2575 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 691 | Les Kanjis dans la tete (Yves Maniette) |
| 6943 | Morohashi |
| 2982 | New Japanese English Character Dictionary (Jack Halpern) |
| 1284 | New Nelson (John Haig) |
| 684 | Remembering The Kanji (James Heisig) |
| 739 | Remembering The Kanji, 6th edition (James Heisig) |
| 431 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 846 | Tuttle Kanji Cards (Alexander Kask) |
| 1447 | 2001 Kanji |
| 2c3.1 | The Kanji Dictionary |
| 3-2-4 | SKIP code |
| 3-3-3 | SKIP code |
| 3-2-3 | SKIP code |
| 3-3-2 | SKIP code |
| 4024.7 | Four corner code |
| 1-34-24 | JIS X 0208-1997 kuten code |
| 5b58 | Unicode hex code |