| 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 4
JLPT level N1
471 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 松竹梅 【ショウチクバイ】 pine, bamboo and plum (an auspicious grouping), high, middle and low (ranking), top, middle and bottom, upper, medium, lower, first, second and third (class)
- 鰹 【カツオ】 skipjack tuna (Katsuwonus pelamis), oceanic bonito, victorfish
- 老松 【ロウショウ】 old pine tree
- 翠松 【スイショウ】 verdant pine, green pine
Kun reading compounds
- 松 【まつ】 pine tree (Pinus spp.), highest (of a three-tier ranking system)
- 松下電工 【まつしたでんこう】 Matsushita Electric Works
- 赤松 【あかまつ】 Japanese red pine (Pinus densiflora), Japanese umbrella pine, tanyosho pine
- 浜松 【はままつ】 Hamamatsu (city)
Readings
- Japanese names:
- おお、 しょ、 ま、 まっ
- Korean:
- song
Spanish
- pino
Portuguese
- pinheiro
French
- pin
| 536 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 1394 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 215 | A New Dictionary of Kanji Usage |
| 2212 | Classic Nelson (Andrew Nelson) |
| 884 | Essential Kanji (P.G. O’Neill) |
| 1419 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 869 | Japanese Names (P.G. O’Neill) |
| 696 | Kanji and Kana (Spahn and Hadamitzky) |
| 709 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 970 | Kanji in Context (Nishiguchi and Kono) |
| 1075 | Kodansha Compact Kanji Guide |
| 1075 | Kodansha Kanji Dictionary (Jack Halpern) |
| 580 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 769 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 793 | Les Kanjis dans la tete (Yves Maniette) |
| 14516 | Morohashi |
| 864 | New Japanese English Character Dictionary (Jack Halpern) |
| 2592 | New Nelson (John Haig) |
| 785 | Remembering The Kanji (James Heisig) |
| 848 | Remembering The Kanji, 6th edition (James Heisig) |
| 483 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 508 | Tuttle Kanji Cards (Alexander Kask) |
| 1871 | 2001 Kanji |
| 4a4.16 | The Kanji Dictionary |
| 1-4-4 | SKIP code |
| 4893.2 | Four corner code |
| 1-30-30 | JIS X 0208-1997 kuten code |
| 677e | Unicode hex code |