| 726 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 621 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 591 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 137 | A New Dictionary of Kanji Usage |
| 3499 | Classic Nelson (Andrew Nelson) |
| 451 | Essential Kanji (P.G. O’Neill) |
| 808 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 2.12 | Japanese for Busy People |
| 211 | Kanji and Kana (Spahn and Hadamitzky) |
| 211 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 381 | Kanji in Context (Nishiguchi and Kono) |
| 1516 | Kodansha Compact Kanji Guide |
| 1632 | Kodansha Kanji Dictionary (Jack Halpern) |
| 860 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1177 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1374 | Les Kanjis dans la tete (Yves Maniette) |
| 27242X | Morohashi |
| 1280 | New Japanese English Character Dictionary (Jack Halpern) |
| 4440 | New Nelson (John Haig) |
| 1362 | Remembering The Kanji (James Heisig) |
| 1462 | Remembering The Kanji, 6th edition (James Heisig) |
| 258 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 534 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in grade 4
JLPT level N3
94 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 約 【ヤク】 approximately, about, promise, appointment, engagement, shortening, reduction, simplification, contraction (in phonetics)
- 約束 【ヤクソク】 promise, agreement, arrangement, one's word, contract, pact, appointment, engagement, date, convention, rule, destiny, fate
- 締約 【テイヤク】 conclusion of a treaty
- 成約 【セイヤク】 conclusion of a contract
Kun reading compounds
- 約まる 【つづまる】 to compress, to shrink
- 約める 【つづめる】 to abridge, to shorten, to economize
- 約やか 【つづまやか】 concise, brief, humble, frugal, modest, discrete
Readings
- Korean:
- yag, yo
Spanish
- promesa
- aproximadamente
- encogerse
- economizar
Portuguese
- promessa
- aproximadamente
- recuar
French
- environ
- promettre
- abréger
- raccourcir
| 2752 | 2001 Kanji |
| 6a3.7 | The Kanji Dictionary |
| 1-6-3 | SKIP code |
| 2792.0 | Four corner code |
| 1-44-83 | JIS X 0208-1997 kuten code |
| 7d04 | 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 |