| 775 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 693 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 667 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 533 | A New Dictionary of Kanji Usage |
| 2637 | Classic Nelson (Andrew Nelson) |
| 610 | Essential Kanji (P.G. O’Neill) |
| 694 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 715 | Kanji and Kana (Spahn and Hadamitzky) |
| 728 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 430 | Kanji in Context (Nishiguchi and Kono) |
| 1219 | Kodansha Compact Kanji Guide |
| 733 | Kodansha Kanji Dictionary (Jack Halpern) |
| 436 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 548 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 372 | Les Kanjis dans la tete (Yves Maniette) |
| 17759 | Morohashi |
| 601 | New Japanese English Character Dictionary (Jack Halpern) |
| 3249 | New Nelson (John Haig) |
| 366 | Remembering The Kanji (James Heisig) |
| 391 | Remembering The Kanji, 6th edition (James Heisig) |
| 753 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in grade 5
JLPT level N2
261 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 減 【ゲン】 reduction, decrease, subtraction, reduction of penalty (under the ritsuryō codes)
- 減員 【ゲンイン】 reduction of staff
- 増減 【ゾウゲン】 increase and decrease, fluctuation
- 軽減 【ケイゲン】 abatement, reduction
Kun reading compounds
- 減る 【へる】 to decrease (in size or number), to diminish, to abate
- 減るもんじゃない 【へるもんじゃない】 it's no big deal, it's nothing to fret about, it's not like it's the end of the world
- 減らす 【へらす】 to abate, to decrease, to diminish, to shorten
Readings
- Korean:
- gam
Spanish
- menguar
- decrecer
- disminuir
- resta
- acortar
Portuguese
- definhar
- decréscimo
- reduzir
- decadência
- encurtar
- obter
- com fome
French
- diminuer
- réduire
- décliner
- décroître
- avoir faim
| 359 | 2001 Kanji |
| 3a9.37 | The Kanji Dictionary |
| 1-3-9 | SKIP code |
| 3315.0 | Four corner code |
| 1-24-26 | JIS X 0208-1997 kuten code |
| 6e1b | 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 |