| 1260 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1149 | A New Dictionary of Kanji Usage |
| 3193 | Classic Nelson (Andrew Nelson) |
| 1598 | Essential Kanji (P.G. O’Neill) |
| 766 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1635 | Japanese Names (P.G. O’Neill) |
| 1009 | Kanji and Kana (Spahn and Hadamitzky) |
| 1046 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1309 | Kanji in Context (Nishiguchi and Kono) |
| 1403 | Kodansha Compact Kanji Guide |
| 1518 | Kodansha Kanji Dictionary (Jack Halpern) |
| 802 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1095 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 702 | Les Kanjis dans la tete (Yves Maniette) |
| 24230 | Morohashi |
| 1183 | New Japanese English Character Dictionary (Jack Halpern) |
| 4008 | New Nelson (John Haig) |
| 695 | Remembering The Kanji (James Heisig) |
| 750 | Remembering The Kanji, 6th edition (James Heisig) |
| 1571 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in junior high
JLPT level N2
1101 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 硬 【コウ】 hardness
- 硬貨 【コウカ】 coin, hard currency
- 生硬 【セイコウ】 crude, immature, unpolished
- 重硬 【ジュウコウ】 heavy and hard (of a wood)
Kun reading compounds
- 硬い 【かたい】 hard, solid, tough, stiff, tight, wooden, unpolished (e.g. writing), strong, firm (not viscous or easily moved), safe, steady, honest, steadfast, obstinate, stubborn, bookish, formal, stuffy
- かたいことは言いっこなし 【かたいことはいいっこなし】 let's put formalities aside, let's not speak so stiffly
Readings
- Korean:
- gyeong
Spanish
- rígido
- duro
- firme
Portuguese
- duro
- rígido
French
- dur
- raide
| 3366 | 2001 Kanji |
| 5a7.1 | The Kanji Dictionary |
| 1-5-7 | SKIP code |
| 1164.6 | Four corner code |
| 1-25-37 | JIS X 0208-1997 kuten code |
| 786c | Unicode hex code |
Jōyō kanji, taught in grade 1
JLPT level N4
491 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 音 【オン】 sound, noise, (speech) sound, Chinese-derived reading of a kanji
- 音楽 【オンガク】 music
- 爆音 【バクオン】 (sound of an) explosion or detonation, roar (of a machine)
- 防音 【ボウオン】 soundproofing
- 音信 【オンシン】 correspondence, news, letter, tidings
- 鸚哥 【インコ】 true parrot (esp. small parrots such as the parakeet, lory and conure)
- 玉音 【ギョクオン】 the Emperor's voice, beautiful voice, beautiful sound
- 唐音 【トウオン】 tō-on, Tang reading, on reading of a kanji based on Song dynasty and later Chinese
Kun reading compounds
- 音 【おと】 sound, noise, (musical) note, fame
- 音孔 【おとあな】 tone hole
- 鈍い音 【にぶいおと】 dull sound, muffled sound
- 風音 【かざおと】 sound of the wind
- 音 【ね】 sound, tone, note, ring, chirp
- 音色 【ねいろ】 tone color, tone colour, tone quality, timbre
- 弱音 【よわね】 feeble complaint, whine
- 高音 【こうおん】 high-pitched tone, soprano
Readings
- Japanese names:
- お、 と
- Korean:
- eum
Spanish
- sonido
- ruido
Portuguese
- som
- barulho
French
- son
- bruit
| 50 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 33 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 6 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 402 | A New Dictionary of Kanji Usage |
| 5110 | Classic Nelson (Andrew Nelson) |
| 206 | Essential Kanji (P.G. O’Neill) |
| 274 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 962 | Japanese Names (P.G. O’Neill) |
| 3.18 | Japanese for Busy People |
| 347 | Kanji and Kana (Spahn and Hadamitzky) |
| 347 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 620 | Kanji in Context (Nishiguchi and Kono) |
| 1879 | Kodansha Compact Kanji Guide |
| 2570 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1312 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1783 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 490 | Les Kanjis dans la tete (Yves Maniette) |
| 43265 | Morohashi |
| 2070 | New Japanese English Character Dictionary (Jack Halpern) |
| 6607 | New Nelson (John Haig) |
| 479 | Remembering The Kanji (James Heisig) |
| 518 | Remembering The Kanji, 6th edition (James Heisig) |
| 78 | Tuttle Kanji Cards (Alexander Kask) |
| 478 | 2001 Kanji |
| 5b4.3 | The Kanji Dictionary |
| 2-2-7 | SKIP code |
| 2-5-4 | SKIP code |
| 0060.1 | Four corner code |
| 1-18-27 | JIS X 0208-1997 kuten code |
| 97f3 | Unicode hex code |