| 718 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 812 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 791 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 325 | A New Dictionary of Kanji Usage |
| 4980 | Classic Nelson (Andrew Nelson) |
| 680 | Essential Kanji (P.G. O’Neill) |
| 983 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 374 | Japanese Names (P.G. O’Neill) |
| 513 | Kanji and Kana (Spahn and Hadamitzky) |
| 522 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 781 | Kanji in Context (Nishiguchi and Kono) |
| 725 | Kodansha Compact Kanji Guide |
| 320 | Kodansha Kanji Dictionary (Jack Halpern) |
| 203 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 242 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1311 | Les Kanjis dans la tete (Yves Maniette) |
| 41576 | Morohashi |
| 270 | New Japanese English Character Dictionary (Jack Halpern) |
| 6429 | New Nelson (John Haig) |
| 1302 | Remembering The Kanji (James Heisig) |
| 1399 | Remembering The Kanji, 6th edition (James Heisig) |
| 326 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 674 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in grade 5
JLPT level N2
331 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 防衛施設庁 【ボウエイシセツチョウ】 (Japanese) Defense Facilities Administration Agency (Defence)
- 防衛 【ボウエイ】 defense, defence, protection
- 砂防 【サボウ】 erosion control
- 攻防 【コウボウ】 offense and defense, offence and defence
Kun reading compounds
- 防ぐ 【ふせぐ】 to defend against, to protect against, to prevent, to avert, to avoid
Readings
- Japanese names:
- あた、 う、 ほう
- Korean:
- bang
Spanish
- defender
- proteger
- aguantar
- prevenir
- presa
- banco
Portuguese
- desligar
- defender
- proteger
- resistir
French
- prévenir (un danger)
- défendre
- protéger
- résister
| 3645 | 2001 Kanji |
| 2d4.1 | The Kanji Dictionary |
| 1-3-4 | SKIP code |
| 1-2-4 | SKIP code |
| 7022.7 | Four corner code |
| 1-43-41 | JIS X 0208-1997 kuten code |
| 9632 | Unicode hex code |
Jōyō kanji, taught in grade 5
JLPT level N1
976 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 災害 【サイガイ】 calamity, disaster, misfortune
- 災難 【サイナン】 calamity, misfortune, disaster
- 労災 【ロウサイ】 work-related injury, work-related illness, work-related death, on-the-job accident, workers' compensation insurance
- 防災 【ボウサイ】 disaster preparedness, prevention of damage resulting from a natural disaster, protection against disaster
Kun reading compounds
- 災い 【わざわい】 disaster, calamity, misfortune, trouble, woes
- 災いする 【わざわいする】 to be one's ruin, to do harm, to cause trouble, to have negative consequences, to bring about a bad outcome
Readings
- Korean:
- jae
Spanish
- desastre
- calamidad
- catástrofe
Portuguese
- desastre
- calamidade
- desgraça
- maldição
- mau
French
- désastre
- catastrophe
- calamité
- malheur
| 789 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 707 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 680 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1061 | A New Dictionary of Kanji Usage |
| 1448 | Classic Nelson (Andrew Nelson) |
| 788 | Essential Kanji (P.G. O’Neill) |
| 1510 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1335 | Kanji and Kana (Spahn and Hadamitzky) |
| 1418 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 873 | Kanji in Context (Nishiguchi and Kono) |
| 1263 | Kodansha Compact Kanji Guide |
| 2734 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1400 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1888 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 169 | Les Kanjis dans la tete (Yves Maniette) |
| 18879 | Morohashi |
| 2206 | New Japanese English Character Dictionary (Jack Halpern) |
| 3400 | New Nelson (John Haig) |
| 167 | Remembering The Kanji (James Heisig) |
| 179 | Remembering The Kanji, 6th edition (James Heisig) |
| 667 | Tuttle Kanji Cards (Alexander Kask) |
| 2762 | 2001 Kanji |
| 4d3.3 | The Kanji Dictionary |
| 2-3-4 | SKIP code |
| 2280.9 | Four corner code |
| 1-26-50 | JIS X 0208-1997 kuten code |
| 707d | Unicode hex code |