| 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 1
JLPT level N2
1787 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 貝 【バイ】 Japanese babylon (species of shelled mollusk, Babylonia japonica), Japanese ivory shell, spinning top (traditionally made from a Japanese babylon shell)
- 貝貨 【バイカ】 shell money
- 越虫貝 【エッチュウバイ】 finely-striate buccinum (species of whelk, Buccinum striatissimum)
- 蝦夷貝 【エゾバイ】 Middendorf's whelk (Buccinum middendorffi)
Kun reading compounds
- 貝 【かい】 shellfish, seashell, shell
- 貝殻 【かいがら】 seashell, shell
- 魚介 【ぎょかい】 marine products, seafood, fish and shellfish
- パウア貝 【パウアかい】 paua (edible New Zealand abalone; species Haliotis iris, H. australis, H. virginea)
Readings
- Korean:
- pae
Spanish
- concha
Portuguese
- Marisco
- conchas
French
- coquillage
| 169 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 49 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 90 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1590 | A New Dictionary of Kanji Usage |
| 4486 | Classic Nelson (Andrew Nelson) |
| 44 | Essential Kanji (P.G. O’Neill) |
| 917 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 498 | Japanese Names (P.G. O’Neill) |
| 240 | Kanji and Kana (Spahn and Hadamitzky) |
| 240 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 719 | Kanji in Context (Nishiguchi and Kono) |
| 1720 | Kodansha Compact Kanji Guide |
| 3150 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1614 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2200 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 54 | Les Kanjis dans la tete (Yves Maniette) |
| 36656 | Morohashi |
| 2543 | New Japanese English Character Dictionary (Jack Halpern) |
| 5766 | New Nelson (John Haig) |
| 54 | Remembering The Kanji (James Heisig) |
| 56 | Remembering The Kanji, 6th edition (James Heisig) |
| 70 | Tuttle Kanji Cards (Alexander Kask) |
| 3961 | 2001 Kanji |
| 7b0.1 | The Kanji Dictionary |
| 2-5-2 | SKIP code |
| 6080.0 | Four corner code |
| 1-19-13 | JIS X 0208-1997 kuten code |
| 8c9d | Unicode hex code |