| 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 sea, waters
- 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 N3
803 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 老 【ロウ】 old age, age, old people, the old, the aged, senior, elder, I, me, my humble self
- 老化 【ロウカ】 ageing, aging, senile deterioration
- 養老 【ヨウロウ】 making provision for the elderly, making provision for one's old age, spending one's old age in comfort, Yōrō era (717.11.17-724.2.4)
- 敬老 【ケイロウ】 respect for the aged
Kun reading compounds
- 老いる 【おいる】 to age, to grow old
- 老ける 【ふける】 to age, to grow old (esp. in appearance), to show marks of age
Readings
- Japanese names:
- えび、 おい、 び
- Korean:
- ro
Spanish
- envejecer
- viejo
- experimentado
- hacerse viejo
Portuguese
- velho
- velhice
- envelhecer
French
- vieillard
- âgé
- vieillir
| 541 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 638 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 609 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 788 | A New Dictionary of Kanji Usage |
| 3683 | Classic Nelson (Andrew Nelson) |
| 637 | Essential Kanji (P.G. O’Neill) |
| 837 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 334 | Japanese Names (P.G. O’Neill) |
| 543 | Kanji and Kana (Spahn and Hadamitzky) |
| 552 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 737 | Kanji in Context (Nishiguchi and Kono) |
| 1576 | Kodansha Compact Kanji Guide |
| 3963 | Kodansha Kanji Dictionary (Jack Halpern) |
| 2040 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2754 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1259 | Les Kanjis dans la tete (Yves Maniette) |
| 28842 | Morohashi |
| 3197 | New Japanese English Character Dictionary (Jack Halpern) |
| 4696 | New Nelson (John Haig) |
| 1251 | Remembering The Kanji (James Heisig) |
| 1340 | Remembering The Kanji, 6th edition (James Heisig) |
| 472 | Tuttle Kanji Cards (Alexander Kask) |
| 1456 | 2001 Kanji |
| 2k4.5 | The Kanji Dictionary |
| 3-4-2 | SKIP code |
| 4471.1 | Four corner code |
| 1-47-23 | JIS X 0208-1997 kuten code |
| 8001 | Unicode hex code |
Jōyō kanji, taught in grade 3
JLPT level N2
620 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 根 【コン】 stick-to-itiveness, perseverance, persistence, radical (esp. one that tends to ionize easily), root, indriya (faculty of the body having a specific function, i.e. the sensory organs)
- 根幹 【コンカン】 foundation, root, basis, core, fundamentals, root and trunk
- 事実無根 【ジジツムコン】 groundless, entirely contrary to fact
- 球根 【キュウコン】 (plant) bulb
Kun reading compounds
- 根 【ね】 root (of a plant), root (of a tooth, hair, etc.), center (of a pimple, etc.), root (of all evil, etc.), source, origin, cause, basis, one's true nature, (fishing) reef
- 根ざす 【ねざす】 to come from, to have roots in
- 島根 【しまね】 Shimane (prefecture), island country
- 尾根 【おね】 (mountain) ridge
Readings
- Korean:
- geun
Spanish
- raíz matemática
- perseverancia
- raíz
Portuguese
- raiz
- radical
- verruga
French
- racine
- radical
- point noir (acné)
| 216 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 298 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 282 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 535 | A New Dictionary of Kanji Usage |
| 2261 | Classic Nelson (Andrew Nelson) |
| 425 | Essential Kanji (P.G. O’Neill) |
| 632 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1372 | Japanese Names (P.G. O’Neill) |
| 314 | Kanji and Kana (Spahn and Hadamitzky) |
| 314 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 974 | Kanji in Context (Nishiguchi and Kono) |
| 1092 | Kodansha Compact Kanji Guide |
| 1167 | Kodansha Kanji Dictionary (Jack Halpern) |
| 631 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 841 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1473 | Les Kanjis dans la tete (Yves Maniette) |
| 14745 | Morohashi |
| 930 | New Japanese English Character Dictionary (Jack Halpern) |
| 2670 | New Nelson (John Haig) |
| 1461 | Remembering The Kanji (James Heisig) |
| 1571 | Remembering The Kanji, 6th edition (James Heisig) |
| 390 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 355 | Tuttle Kanji Cards (Alexander Kask) |
| 1865 | 2001 Kanji |
| 4a6.5 | The Kanji Dictionary |
| 1-4-6 | SKIP code |
| 4793.2 | Four corner code |
| 1-26-12 | JIS X 0208-1997 kuten code |
| 6839 | Unicode hex code |