| 1661 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1756 | A New Dictionary of Kanji Usage |
| 2546 | Classic Nelson (Andrew Nelson) |
| 1468 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 821 | Japanese Names (P.G. O’Neill) |
| 1301 | Kanji and Kana (Spahn and Hadamitzky) |
| 1380 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1844 | Kanji in Context (Nishiguchi and Kono) |
| 1191 | Kodansha Compact Kanji Guide |
| 455 | Kodansha Kanji Dictionary (Jack Halpern) |
| 280 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 340 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 183 | Les Kanjis dans la tete (Yves Maniette) |
| 17386 | Morohashi |
| 380 | New Japanese English Character Dictionary (Jack Halpern) |
| 3125 | New Nelson (John Haig) |
| 181 | Remembering The Kanji (James Heisig) |
| 193 | Remembering The Kanji, 6th edition (James Heisig) |
| 1276 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in junior high
JLPT level N1
1618 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 洞 【ドウ】 sinus, cavity, antrum, neighborhood (administrative division in North Korea)
- 洞察 【ドウサツ】 discernment, insight
- 空洞 【クウドウ】 cavity, hollow, cave, cavern, hollow
- 風洞 【フウドウ】 wind tunnel
Kun reading compounds
- 洞 【ほら】 hollow, cavity, hole, cave
- 洞穴 【ほらあな】 cave, cavern, den, grotto
Readings
- Japanese names:
- とう
- Korean:
- dong, tong
Spanish
- cavidad
- hueco
- excavación
- prever
Portuguese
- gruta
- caverna
- escavação
French
- antre
- grotte
- excavation
| 349 | 2001 Kanji |
| 3a6.25 | The Kanji Dictionary |
| 1-3-6 | SKIP code |
| 3712.0 | Four corner code |
| 1-38-22 | JIS X 0208-1997 kuten code |
| 6d1e | Unicode hex code |
Stroke order
On reading compounds
- 窟院 【クツイン】 cave temple
- 巣窟 【ソウクツ】 den, haunt, hangout, nest, lair
- 宝窟 【ホウクツ】 treasure mine
Kun reading compounds
- 岩屋 【いわや】 cavern, grotto
Readings
- Korean:
- gul
Spanish
Portuguese
French
- grotte
- caverne
| 3331 | Classic Nelson (Andrew Nelson) |
| 1943 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 2923 | Kodansha Kanji Dictionary (Jack Halpern) |
| 2032 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1335 | Les Kanjis dans la tete (Yves Maniette) |
| 25552 | Morohashi |
| 2328 | New Japanese English Character Dictionary (Jack Halpern) |
| 4206 | New Nelson (John Haig) |
| 2615 | Remembering The Kanji (James Heisig) |
| 1420 | Remembering The Kanji, 6th edition (James Heisig) |
| 3m10.6 | The Kanji Dictionary |
| 2-3-10 | SKIP code |
| 2-5-8 | SKIP code |
| 3027.2 | Four corner code |
| 1-23-02 | JIS X 0208-1997 kuten code |
| 7a9f | Unicode hex code |
Jōyō kanji, taught in junior high
JLPT level N1
1329 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 潜水 【センスイ】 diving, submerging, going underwater
- 潜在 【センザイ】 potentiality, dormancy, latency
- 原潜 【ゲンセン】 nuclear submarine
- 対潜 【タイセン】 antisubmarine
Kun reading compounds
- 潜む 【ひそむ】 to lurk, to be hidden, to be concealed, to lie dormant, to be latent
- 潜る 【もぐる】 to dive (into or under water), to get under, to get into, to get in, to creep into, to crawl under, to bury oneself, to burrow into, to dig oneself into, to snuggle under, to hide oneself (esp. from the government), to conceal oneself, to go underground
- 潜る 【くぐる】 to go under, to pass under, to go through, to pass through, to dive (into or under the water), to evade, to get around, to slip past, to survive, to surmount
- 潜める 【ひそめる】 to hide, to conceal, to lower volume (of a sound or one's voice) so as not to be heard, to become quiet and inconspicuous
Readings
- Korean:
- jam
Spanish
- esconderse
- ocultarse
- silenciar
Portuguese
- submergir
- esconder
- ocultar
- abaixar (voz)
- calar
French
- s'immerger
- se cacher
- se dissimuler
- s'embusquer
- voix basse
- chut!
| 1497 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1302 | A New Dictionary of Kanji Usage |
| 2703 | Classic Nelson (Andrew Nelson) |
| 1458 | Essential Kanji (P.G. O’Neill) |
| 1501 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 2272 | Japanese Names (P.G. O’Neill) |
| 937 | Kanji and Kana (Spahn and Hadamitzky) |
| 967 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1393 | Kanji in Context (Nishiguchi and Kono) |
| 1251 | Kodansha Compact Kanji Guide |
| 922 | Kodansha Kanji Dictionary (Jack Halpern) |
| 521 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 680 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 852 | Les Kanjis dans la tete (Yves Maniette) |
| 18241 | Morohashi |
| 746 | New Japanese English Character Dictionary (Jack Halpern) |
| 3337 | New Nelson (John Haig) |
| 844 | Remembering The Kanji (James Heisig) |
| 907 | Remembering The Kanji, 6th edition (James Heisig) |
| 1779 | Tuttle Kanji Cards (Alexander Kask) |
| 378 | 2001 Kanji |
| 3a12.6 | The Kanji Dictionary |
| 1-3-12 | SKIP code |
| 3516.3 | Four corner code |
| 1-32-88 | JIS X 0208-1997 kuten code |
| 6f5c | Unicode hex code |
水
Jōyō kanji, taught in grade 1
JLPT level N5
223 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 水 【スイ】 Wednesday, shaved ice (served with flavored syrup), water (fifth of the five elements)
- 水位 【スイイ】 water level
- 用水 【ヨウスイ】 irrigation water, water for fire, city water, cistern water
- 浄水 【ジョウスイ】 clean water, purified water
Kun reading compounds
- 水 【みず】 water (esp. cool, fresh water, e.g. drinking water), fluid (esp. in an animal tissue), liquid, flood, floodwaters, water offered to wrestlers just prior to a bout, break granted to wrestlers engaged in a prolonged bout
- 水揚げ 【みずあげ】 landing, unloading (e.g. a ship), catch (of fish), takings, sales (of a shop), defloration (e.g. of a geisha), preservation (of cut flowers, in ikebana)
- 飲み水 【のみみず】 drinking water, potable water
- 呼び水 【よびみず】 pump-priming, rousing, stimulation
Readings
- Japanese names:
- うず、 ずみ、 つ、 ど、 み、 みさ、 みつ、 みな、 みん
- Korean:
- su
Spanish
- agua
Portuguese
- água
French
- eau
| 14 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 16 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 40 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 144 | A New Dictionary of Kanji Usage |
| 2482 | Classic Nelson (Andrew Nelson) |
| 16 | Essential Kanji (P.G. O’Neill) |
| 68 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 54 | Japanese Names (P.G. O’Neill) |
| 1.A | Japanese for Busy People |
| 21 | Kanji and Kana (Spahn and Hadamitzky) |
| 21 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 19 | Kanji in Context (Nishiguchi and Kono) |
| 1151 | Kodansha Compact Kanji Guide |
| 10 | Kodansha Kanji Dictionary (Jack Halpern) |
| 3 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 3 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 132 | Les Kanjis dans la tete (Yves Maniette) |
| 17083 | Morohashi |
| 10 | New Japanese English Character Dictionary (Jack Halpern) |
| 3030 | New Nelson (John Haig) |
| 130 | Remembering The Kanji (James Heisig) |
| 137 | Remembering The Kanji, 6th edition (James Heisig) |
| 166 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 31 | Tuttle Kanji Cards (Alexander Kask) |
| 1142 | 2001 Kanji |
| 3a0.1 | The Kanji Dictionary |
| 1-1-3 | SKIP code |
| 4-4-3 | SKIP code |
| 1223.0 | Four corner code |
| 1-31-69 | JIS X 0208-1997 kuten code |
| 6c34 | Unicode hex code |