| 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 |
guess, presume, surmise, judge, understand
- On:
- サツ
Jōyō kanji, taught in grade 4
JLPT level N3
477 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 察 【サツ】 cops, police
- 監察 【カンサツ】 inspection, inspector
- 偵察 【テイサツ】 scouting, reconnaissance
Readings
- Korean:
- chal
Spanish
- adivinar
- suponer
- percibir
Portuguese
- convidado
- presumir
- conjecturar
- juiz
- compreender
French
- deviner
- présumer
- supposer
- juger
- comprendre
| 406 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 516 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 489 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 671 | A New Dictionary of Kanji Usage |
| 1334 | Classic Nelson (Andrew Nelson) |
| 511 | Essential Kanji (P.G. O’Neill) |
| 474 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 2180 | Japanese Names (P.G. O’Neill) |
| 619 | Kanji and Kana (Spahn and Hadamitzky) |
| 629 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 475 | Kanji in Context (Nishiguchi and Kono) |
| 495 | Kodansha Compact Kanji Guide |
| 2961 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1520 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2062 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1112 | Les Kanjis dans la tete (Yves Maniette) |
| 7283 | Morohashi |
| 2347 | New Japanese English Character Dictionary (Jack Halpern) |
| 1360 | New Nelson (John Haig) |
| 1103 | Remembering The Kanji (James Heisig) |
| 1184 | Remembering The Kanji, 6th edition (James Heisig) |
| 492 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 617 | Tuttle Kanji Cards (Alexander Kask) |
| 741 | 2001 Kanji |
| 3m11.6 | The Kanji Dictionary |
| 2-3-11 | SKIP code |
| 3090.1 | Four corner code |
| 1-27-01 | JIS X 0208-1997 kuten code |
| 5bdf | Unicode hex code |