| 1755 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1400 | A New Dictionary of Kanji Usage |
| 1532 | Classic Nelson (Andrew Nelson) |
| 1378 | Essential Kanji (P.G. O’Neill) |
| 1679 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1245 | Kanji and Kana (Spahn and Hadamitzky) |
| 1312 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1730 | Kanji in Context (Nishiguchi and Kono) |
| 1011 | Kodansha Compact Kanji Guide |
| 3921 | Kodansha Kanji Dictionary (Jack Halpern) |
| 2022 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2729 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1032 | Les Kanjis dans la tete (Yves Maniette) |
| 29625 | Morohashi |
| 3162 | New Japanese English Character Dictionary (Jack Halpern) |
| 4835 | New Nelson (John Haig) |
| 1023 | Remembering The Kanji (James Heisig) |
| 1099 | Remembering The Kanji, 6th edition (James Heisig) |
| 1727 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in junior high
JLPT level N1
1225 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 腐敗 【フハイ】 decomposition, putrefaction, putrescence, spoilage, corruption, degeneracy, decay, depravity
- 腐心 【フシン】 taking great pains (to do), making every effort, having a lot of trouble (doing), racking one's brains
- 防腐 【ボウフ】 preservation from decay, prevention of putrefaction, embalmment, antisepsis
- 高野豆腐 【コウヤドウフ】 freeze-dried tofu
Kun reading compounds
- 腐る 【くさる】 to rot, to go bad, to decay, to spoil, to fester, to decompose, to turn sour (e.g. milk), to corrode, to weather, to crumble, to become useless, to blunt, to weaken (from lack of practice), to become depraved, to be degenerate, to be morally bankrupt, to be corrupt, to be depressed, to be dispirited, to feel discouraged, to feel down, to have the audacity to, to be bastard enough to, to lose a bet, to be drenched, to become sopping wet
- 腐るほど 【くさるほど】 more than one can possibly use, countless (e.g. examples), (money) to burn, rolling in (cash)
- 腐れる 【くされる】 to spoil, to rot, to corrode
- 腐れ 【くされ】 rotting, spoiling, decaying, corroding, rotten, worthless, paltry, contemptible
- 腐れ縁 【くされえん】 (undesirable but) inseparable relationship
- 腐らす 【くさらす】 to let spoil, to leave to rot, to cause to rot, to corrode, to discourage, to dishearten
- 腐す 【くさす】 to speak ill of
Readings
- Korean:
- bu
Spanish
- putrefacción
- descomposición
- agrio
- pudrirse
- descomponerse
- corromperse
- agriarse
Portuguese
- prodre
- apodrecer
- azedar
French
- pourrir
- putréfier
- aigre
| 553 | 2001 Kanji |
| 3q11.3 | The Kanji Dictionary |
| 3-3-11 | SKIP code |
| 0022.7 | Four corner code |
| 1-41-69 | JIS X 0208-1997 kuten code |
| 8150 | Unicode hex code |
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
| 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) |
| 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 |