| 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 junior high
    
    
      JLPT level N1
    
    
      1697 of 2500 most used kanji in newspapers
    
Stroke order
On reading compounds
- 寧夏回族自治区 【ネイカカイゾクジチク】 Ningxia Hui Autonomous Region (China)
 - 寧日 【ネイジツ】 peaceful day
 - 西寧 【セイネイ】 Xining (China)
 - 静寧 【セイネイ】 peace, calm, tranquility
 
Kun reading compounds
- 寧ろ 【むしろ】 rather, better, instead, if anything
 
Readings
- Japanese names:
 - あき、 やす、 やすし、 よし
 
- Korean:
 - nyeong
 
Spanish
- pacífico
 - tranquilo
 - bondadoso
 
Portuguese
- melhor
 - preferivelmente
 
French
- plutôt
 - de préférence
 - paisible
 
| 1678 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) | 
| 1982 | A New Dictionary of Kanji Usage | 
| 1335 | Classic Nelson (Andrew Nelson) | 
| 1602 | Essential Kanji (P.G. O’Neill) | 
| 1217 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) | 
| 2181 | Japanese Names (P.G. O’Neill) | 
| 1412 | Kanji and Kana (Spahn and Hadamitzky) | 
| 1501 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) | 
| 1378 | Kanji in Context (Nishiguchi and Kono) | 
| 496 | Kodansha Compact Kanji Guide | 
| 2959 | Kodansha Kanji Dictionary (Jack Halpern) | 
| 1519 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) | 
| 2061 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) | 
| 842 | Les Kanjis dans la tete (Yves Maniette) | 
| 7296P | Morohashi | 
| 2345 | New Japanese English Character Dictionary (Jack Halpern) | 
| 1361 | New Nelson (John Haig) | 
| 834 | Remembering The Kanji (James Heisig) | 
| 897 | Remembering The Kanji, 6th edition (James Heisig) | 
| 1700 | Tuttle Kanji Cards (Alexander Kask) | 
| 753 | 2001 Kanji | 
| 3m11.8 | The Kanji Dictionary | 
| 2-3-11 | SKIP code | 
| 3020.1 | Four corner code | 
| 1-39-11 | JIS X 0208-1997 kuten code | 
| 5be7 | Unicode hex code |