| 298 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 387 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 367 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 606 | A New Dictionary of Kanji Usage |
| 2529 | Classic Nelson (Andrew Nelson) |
| 484 | Essential Kanji (P.G. O’Neill) |
| 677 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 596 | Japanese Names (P.G. O’Neill) |
| 666 | Kanji and Kana (Spahn and Hadamitzky) |
| 677 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 913 | Kanji in Context (Nishiguchi and Kono) |
| 1177 | Kodansha Compact Kanji Guide |
| 388 | Kodansha Kanji Dictionary (Jack Halpern) |
| 245 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 292 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 811 | Les Kanjis dans la tete (Yves Maniette) |
| 17308 | Morohashi |
| 330 | New Japanese English Character Dictionary (Jack Halpern) |
| 3101 | New Nelson (John Haig) |
| 803 | Remembering The Kanji (James Heisig) |
| 866 | Remembering The Kanji, 6th edition (James Heisig) |
| 309 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in grade 3
JLPT level N2
740 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 波 【ハ】 counter for waves (of a repeated occurrence)
- 波及 【ハキュウ】 spread, extension, influence, aftereffect, ripple
- 低周波 【テイシュウハ】 low frequency
- 横波 【ヨコナミ】 transverse wave, beam sea
Kun reading compounds
- 波 【なみ】 wave, ups and downs
- 波間 【なみま】 interval between the waves, gap between waves
- 高波 【たかなみ】 high waves, heavy seas
- 横波 【よこなみ】 transverse wave, beam sea
Readings
- Japanese names:
- ひら、 みな、 みなみ、 わ
- Korean:
- pa
Spanish
- onda
- ola
- Polonia
Portuguese
- ondas
- vagas
- Polônia
French
- onde
- vague
- Pologne
| 367 | 2001 Kanji |
| 3a5.9 | The Kanji Dictionary |
| 1-3-5 | SKIP code |
| 3414.7 | Four corner code |
| 1-39-40 | JIS X 0208-1997 kuten code |
| 6ce2 | Unicode hex code |
Jōyō kanji, taught in grade 2
JLPT level N3
148 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 数 【スウ】 several, a number of, quantity, amount, counting, figures, numbers, number, numeral, figure, number, destiny, fate, course of events, trend
- 数億年 【スウオクネン】 several hundred million years
- 複数 【フクスウ】 plural, multiple, plural (number)
- 枚数 【マイスウ】 the number of flat things, win-loss difference which influences the ranking of wrestlers
- 数 【スウ】 several, a number of, quantity, amount, counting, figures, numbers, number, numeral, figure, number, destiny, fate, course of events, trend
- 数億年 【スウオクネン】 several hundred million years
- 数牌 【シューパイ】 suited tiles
Kun reading compounds
- 数 【かず】 number, amount
- 数多く 【かずおおく】 in great numbers
- 手数 【てすう】 trouble, bother, number of moves (in go, shogi, etc.), number of punches
- 口数 【くちかず】 number of words a person speaks, number of dependents, number of mouths to feed, number of shares, items, applications, etc.
- 数える 【かぞえる】 to count, to enumerate
- 屡々 【しばしば】 often, again and again, frequently, repeatedly
Readings
- Japanese names:
- じゅ
- Korean:
- su, chog
Spanish
- número
- cifra
- contar
Portuguese
- número
- vigor
- destino
- lei
- figuras
French
- nombre
- compter
- destin
- loi
- chiffres
| 262 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 168 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 151 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 188 | A New Dictionary of Kanji Usage |
| 2057 | Classic Nelson (Andrew Nelson) |
| 429 | Essential Kanji (P.G. O’Neill) |
| 592 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 2169 | Japanese Names (P.G. O’Neill) |
| 3.6 | Japanese for Busy People |
| 225 | Kanji and Kana (Spahn and Hadamitzky) |
| 225 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 529 | Kanji in Context (Nishiguchi and Kono) |
| 945 | Kodansha Compact Kanji Guide |
| 2245 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1170 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1591 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 938 | Les Kanjis dans la tete (Yves Maniette) |
| 13319 | Morohashi |
| 1790 | New Japanese English Character Dictionary (Jack Halpern) |
| 2353 | New Nelson (John Haig) |
| 929 | Remembering The Kanji (James Heisig) |
| 998 | Remembering The Kanji, 6th edition (James Heisig) |
| 159 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 227 | Tuttle Kanji Cards (Alexander Kask) |
| 1066 | 2001 Kanji |
| 4i9.1 | The Kanji Dictionary |
| 1-9-4 | SKIP code |
| 9844.0 | Four corner code |
| 1-31-84 | JIS X 0208-1997 kuten code |
| 6570 | Unicode hex code |