| 1150 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1827 | A New Dictionary of Kanji Usage |
| 2175 | Classic Nelson (Andrew Nelson) |
| 1683 | Essential Kanji (P.G. O’Neill) |
| 1417 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 419 | Japanese Names (P.G. O’Neill) |
| 1628 | Kanji and Kana (Spahn and Hadamitzky) |
| 1738 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1787 | Kanji in Context (Nishiguchi and Kono) |
| 1069 | Kodansha Compact Kanji Guide |
| 1015 | Kodansha Kanji Dictionary (Jack Halpern) |
| 550 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 727 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1251 | Les Kanjis dans la tete (Yves Maniette) |
| 14439 | Morohashi |
| 821 | New Japanese English Character Dictionary (Jack Halpern) |
| 2545 | New Nelson (John Haig) |
| 1243 | Remembering The Kanji (James Heisig) |
| 1331 | Remembering The Kanji, 6th edition (James Heisig) |
| 1080 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in junior high
JLPT level N1
1891 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 朽壊 【キュウカイ】 rotting and crumbling
- 朽廃 【キュウハイ】 decay, dilapidation
- 若朽 【ジャッキュウ】 being young yet unambitious, being young but lacking spirit
- 腐朽 【フキュウ】 decay, deterioration, rot
Kun reading compounds
- 朽ちる 【くちる】 to rot, to decay, to die in obscurity, to be forgotten with time
Readings
- Japanese names:
- くつ
- Korean:
- hu
Spanish
- descomposición
- putrefacción
- decadencia
- descomponerse
- corromperse
- pudrirse
- arruinarse
Portuguese
- decair
- apodrecer
- permanecer recluso
French
- délabré
- pourri
- rester reclus
| 1852 | 2001 Kanji |
| 4a2.6 | The Kanji Dictionary |
| 1-4-2 | SKIP code |
| 1-4-3 | SKIP code |
| 4192.7 | Four corner code |
| 1-21-64 | JIS X 0208-1997 kuten code |
| 673d | Unicode hex code |