| 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
1495 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 綿 【メン】 cotton
- 綿密 【メンミツ】 minute, detailed, careful, scrupulous, thorough
- 石灰海綿 【セッカイカイメン】 calcareous sponge (any sponge of class Calcarea)
- 六放海綿 【ロッポウカイメン】 hexactinellid sponge, glass sponge (any sponge of class Hexactinellida)
Kun reading compounds
- 綿 【わた】 cotton plant (Gossypium spp.), batting, wadding, padding
- 海神 【かいじん】 sea god, Poseidon, Neptune, sea, ocean
- 結い綿 【ゆいわた】 traditional hairstyle worn by unmarried women
- 中綿 【なかわた】 padding (clothing or bedding), insulation, cotton wadding, stuffing (furniture)
Readings
- Japanese names:
- う
- Korean:
- myeon
Spanish
- algodón
- prolongado
- minucioso
Portuguese
- Algodão
French
- coton
| 725 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 818 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 798 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 854 | A New Dictionary of Kanji Usage |
| 3566 | Classic Nelson (Andrew Nelson) |
| 822 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 2538 | Japanese Names (P.G. O’Neill) |
| 1191 | Kanji and Kana (Spahn and Hadamitzky) |
| 1251 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 881 | Kanji in Context (Nishiguchi and Kono) |
| 1544 | Kodansha Compact Kanji Guide |
| 1736 | Kodansha Kanji Dictionary (Jack Halpern) |
| 929 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1254 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1379 | Les Kanjis dans la tete (Yves Maniette) |
| 27592 | Morohashi |
| 1373 | New Japanese English Character Dictionary (Jack Halpern) |
| 4531 | New Nelson (John Haig) |
| 1367 | Remembering The Kanji (James Heisig) |
| 1467 | Remembering The Kanji, 6th edition (James Heisig) |
| 803 | Tuttle Kanji Cards (Alexander Kask) |
| 2744 | 2001 Kanji |
| 6a8.8 | The Kanji Dictionary |
| 1-6-8 | SKIP code |
| 2692.7 | Four corner code |
| 1-44-42 | JIS X 0208-1997 kuten code |
| 7dbf | Unicode hex code |
Jōyō kanji, taught in grade 3
JLPT level N2
672 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 鉄 【テツ】 iron (Fe), steel, iron (will, discipline, lady, etc.), railway, railway enthusiast
- 鉄製 【テッセイ】 made of iron
- 国鉄 【コクテツ】 national railway, Japan National Railways (1949-1987)
- 新日本製鐵 【シンニッポンセイテツ】 Nippon Steel Corporation
Kun reading compounds
- 黒金 【くろがね】 iron
Readings
- Japanese names:
- けん、 てっ
- Korean:
- cheol
Spanish
- hierro
- acero
Portuguese
- ferro
French
- fer
| 283 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 374 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 353 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 327 | A New Dictionary of Kanji Usage |
| 4844 | Classic Nelson (Andrew Nelson) |
| 242 | Essential Kanji (P.G. O’Neill) |
| 976 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1948 | Japanese Names (P.G. O’Neill) |
| 2.1 | Japanese for Busy People |
| 312 | Kanji and Kana (Spahn and Hadamitzky) |
| 312 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 147 | Kanji in Context (Nishiguchi and Kono) |
| 1814 | Kodansha Compact Kanji Guide |
| 2147 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1126 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1527 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 854 | Les Kanjis dans la tete (Yves Maniette) |
| 40285 | Morohashi |
| 1711 | New Japanese English Character Dictionary (Jack Halpern) |
| 6253 | New Nelson (John Haig) |
| 846 | Remembering The Kanji (James Heisig) |
| 909 | Remembering The Kanji, 6th edition (James Heisig) |
| 449 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 422 | Tuttle Kanji Cards (Alexander Kask) |
| 2863 | 2001 Kanji |
| 8a5.6 | The Kanji Dictionary |
| 1-8-5 | SKIP code |
| 8513.0 | Four corner code |
| 1-37-20 | JIS X 0208-1997 kuten code |
| 9244 | Unicode hex code |