| 608 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 506 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 480 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 783 | A New Dictionary of Kanji Usage |
| 1518 | Classic Nelson (Andrew Nelson) |
| 860 | Essential Kanji (P.G. O’Neill) |
| 513 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1509 | Japanese Names (P.G. O’Neill) |
| 894 | Kanji and Kana (Spahn and Hadamitzky) |
| 916 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1054 | Kanji in Context (Nishiguchi and Kono) |
| 592 | Kodansha Compact Kanji Guide |
| 3877 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1994 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2693 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1167 | Les Kanjis dans la tete (Yves Maniette) |
| 9376 | Morohashi |
| 3124 | New Japanese English Character Dictionary (Jack Halpern) |
| 1621 | New Nelson (John Haig) |
| 1159 | Remembering The Kanji (James Heisig) |
| 1243 | Remembering The Kanji, 6th edition (James Heisig) |
| 565 | Tuttle Kanji Cards (Alexander Kask) |
ease, peace
- On:
- コウ
Jōyō kanji, taught in grade 4
JLPT level N1
760 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 康安 【コウアン】 Kōan era (of the Northern Court; 1361.3.29-1362.9.23)
- 康永 【コウエイ】 Kōei era (of the Northern Court; 1342.4.27-1345.10.21)
- 小康 【ショウコウ】 lull, breathing spell, respite, remission (of an illness), becoming stable
- 安康 【アンコウ】 calm and peaceful period of time
Readings
- Japanese names:
- かん、 こ、 みち、 やす、 やすし
- Korean:
- gang
Spanish
- tranquilo
- calmado
- sano
Portuguese
- facilidade
- paz
French
- tranquille
- paisible
| 542 | 2001 Kanji |
| 3q8.1 | The Kanji Dictionary |
| 3-3-8 | SKIP code |
| 0023.2 | Four corner code |
| 1-25-15 | JIS X 0208-1997 kuten code |
| 5eb7 | Unicode hex code |
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
| 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) |
| 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 |