| 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 2
JLPT level N4
19 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 自 【ジ】 self-, from (a time or place)
- 自営 【ジエイ】 running one's own business, doing business on one's own, self-employment
- 出自 【シュツジ】 origin, birthplace, descent, lineage, ancestry, stock
- 海自 【カイジ】 Maritime Self-Defense Force
- 自然界 【シゼンカイ】 nature, the natural world, realm of nature
- 自然 【シゼン】 nature, natural, spontaneous, automatic, naturally, spontaneously, automatically
- 己がじし 【オノガジシ】 each (and every one), individually
Kun reading compounds
- 自ら 【みずから】 oneself, oneself, for oneself, personally, in person
- 自ら進んで 【みずからすすんで】 by choice, of one's own free will, on one's own initiative, off one's own bat
- 自ずから 【おのずから】 naturally, in due course, by itself, of its own accord
- 自ずから明らか 【おのずからあきらか】 self-evident
- 自ずと 【おのずと】 naturally, in due course, by itself, of its own accord
Readings
- Japanese names:
- より
- Korean:
- ja
Spanish
- uno mismo
- por sí mismo
- auto-
Portuguese
- a si próprio
French
- soi-même
| 229 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 150 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 134 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 53 | A New Dictionary of Kanji Usage |
| 3841 | Classic Nelson (Andrew Nelson) |
| 60 | Essential Kanji (P.G. O’Neill) |
| 242 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 340 | Japanese Names (P.G. O’Neill) |
| 2.19 | Japanese for Busy People |
| 62 | Kanji and Kana (Spahn and Hadamitzky) |
| 62 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 63 | Kanji in Context (Nishiguchi and Kono) |
| 1587 | Kodansha Compact Kanji Guide |
| 4338 | Kodansha Kanji Dictionary (Jack Halpern) |
| 2195 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2954 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 36 | Les Kanjis dans la tete (Yves Maniette) |
| 30095 | Morohashi |
| 3525 | New Japanese English Character Dictionary (Jack Halpern) |
| 4900 | New Nelson (John Haig) |
| 36 | Remembering The Kanji (James Heisig) |
| 36 | Remembering The Kanji, 6th edition (James Heisig) |
| 14 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 126 | Tuttle Kanji Cards (Alexander Kask) |
| 879 | 2001 Kanji |
| 5c1.1 | The Kanji Dictionary |
| 4-6-2 | SKIP code |
| 2600.0 | Four corner code |
| 1-28-11 | JIS X 0208-1997 kuten code |
| 81ea | Unicode hex code |