| 55 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 94 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 88 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 158 | A New Dictionary of Kanji Usage |
| 2553 | Classic Nelson (Andrew Nelson) |
| 99 | Essential Kanji (P.G. O’Neill) |
| 211 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1071 | Japanese Names (P.G. O’Neill) |
| 3.14 | Japanese for Busy People |
| 117 | Kanji and Kana (Spahn and Hadamitzky) |
| 117 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 454 | Kanji in Context (Nishiguchi and Kono) |
| 1184 | Kodansha Compact Kanji Guide |
| 459 | Kodansha Kanji Dictionary (Jack Halpern) |
| 284 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 344 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 471 | Les Kanjis dans la tete (Yves Maniette) |
| 17450 | Morohashi |
| 384 | New Japanese English Character Dictionary (Jack Halpern) |
| 3133 | New Nelson (John Haig) |
| 461 | Remembering The Kanji (James Heisig) |
| 500 | Remembering The Kanji, 6th edition (James Heisig) |
| 206 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 171 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in grade 2
JLPT level N4
200 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 海運 【カイウン】 maritime transport, shipping
- 海域 【カイイキ】 area of ocean
- 公海 【コウカイ】 high seas, international waters
- 内海 【ナイカイ】 inland sea, inlet, gulf, bay, lake
Kun reading compounds
- 海 【うみ】 sea, ocean, waters
- 海辺 【うみべ】 beach, seashore, seaside, coast
- 内海 【ないかい】 inland sea, inlet, gulf, bay, lake
- 血の海 【ちのうみ】 sea of blood, pool of blood
Readings
- Japanese names:
- あ、 あま、 うな、 うん、 え、 か、 た、 ひろ、 ひろし、 ぶ、 まち、 まま、 み、 め、 わたる
- Korean:
- hae
Spanish
- mar
- océano
- playa
Portuguese
- oceano
- mar
French
- mer
- océan
| 347 | 2001 Kanji |
| 3a6.20 | The Kanji Dictionary |
| 1-3-6 | SKIP code |
| 3815.7 | Four corner code |
| 1-19-04 | JIS X 0208-1997 kuten code |
| 6d77 | Unicode hex code |
Jōyō kanji, taught in grade 5
JLPT level N2
807 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 損 【ソン】 loss, damage, harm, unprofitable, disadvantage, handicap, drawback, unfavorable
- 損益 【ソンエキ】 profit and loss, advantage and disadvantage
- 毀損 【キソン】 damage, injury, defamation, harm
- 海損 【カイソン】 sea damage, average loss
Kun reading compounds
- 損なう 【そこなう】 to harm, to hurt, to injure, to damage, to spoil, to mar, to ruin, to fail to do, to do amiss, to miss one's opportunity to do, to almost do, to come close to doing
- 損なう 【そこなう】 to harm, to hurt, to injure, to damage, to spoil, to mar, to ruin, to fail to do, to do amiss, to miss one's opportunity to do, to almost do, to come close to doing
- 損ねる 【そこねる】 to harm, to hurt, to injure, to wreck, to miss one's chance to (do something), to fail to (do what one ought to have done)
Readings
- Korean:
- son
Spanish
- pérdida
- desaparición
- desventaja
- dañar
- herir
Portuguese
- prejuízo
- perda
- desvantagem
- ferida
- ferir
French
- blesser
- nuire
- dommages
- perte
| 837 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 768 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 745 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1070 | A New Dictionary of Kanji Usage |
| 1979 | Classic Nelson (Andrew Nelson) |
| 449 | Essential Kanji (P.G. O’Neill) |
| 581 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 350 | Kanji and Kana (Spahn and Hadamitzky) |
| 351 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 396 | Kanji in Context (Nishiguchi and Kono) |
| 922 | Kodansha Compact Kanji Guide |
| 801 | Kodansha Kanji Dictionary (Jack Halpern) |
| 468 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 596 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 673 | Les Kanjis dans la tete (Yves Maniette) |
| 12459 | Morohashi |
| 651 | New Japanese English Character Dictionary (Jack Halpern) |
| 2255 | New Nelson (John Haig) |
| 666 | Remembering The Kanji (James Heisig) |
| 719 | Remembering The Kanji, 6th edition (James Heisig) |
| 780 | Tuttle Kanji Cards (Alexander Kask) |
| 1361 | 2001 Kanji |
| 3c10.12 | The Kanji Dictionary |
| 1-3-10 | SKIP code |
| 5608.6 | Four corner code |
| 1-34-27 | JIS X 0208-1997 kuten code |
| 640d | Unicode hex code |