| 178 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 102 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 249 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 744 | A New Dictionary of Kanji Usage |
| 1414 | Classic Nelson (Andrew Nelson) |
| 821 | Essential Kanji (P.G. O’Neill) |
| 487 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 942 | Japanese Names (P.G. O’Neill) |
| 1345 | Kanji and Kana (Spahn and Hadamitzky) |
| 1428 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 457 | Kanji in Context (Nishiguchi and Kono) |
| 538 | Kodansha Compact Kanji Guide |
| 2778 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1423 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1921 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 777 | Les Kanjis dans la tete (Yves Maniette) |
| 7985 | Morohashi |
| 2235 | New Japanese English Character Dictionary (Jack Halpern) |
| 1461 | New Nelson (John Haig) |
| 770 | Remembering The Kanji (James Heisig) |
| 832 | Remembering The Kanji, 6th edition (James Heisig) |
| 156 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in grade 2
JLPT level N2
787 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 岩盤 【ガンバン】 bedrock
- 岩石 【ガンセキ】 rock
- 砂岩 【サガン】 sandstone
- 石灰岩 【セッカイガン】 limestone
Kun reading compounds
- 岩 【いわ】 rock, boulder, crag
- 岩間 【いわま】 among rocks
- 一枚岩 【いちまいいわ】 monolith, large slab of rock, unity (of a group, organization, etc.), unanimity, solidarity
- 浮岩 【うきいわ】 rock partially submerged in water, rock partially emerging from the water, pumice stone
Readings
- Korean:
- am
Spanish
- roca
Portuguese
- rochedo
- rocha
- penhedo
French
- rocher
- roc
- falaise
| 1277 | 2001 Kanji |
| 3o5.10 | The Kanji Dictionary |
| 2-3-5 | SKIP code |
| 2260.1 | Four corner code |
| 1-20-68 | JIS X 0208-1997 kuten code |
| 5ca9 | Unicode hex code |
stratum, social class, layer, story, floor
- On:
- ソウ
Jōyō kanji, taught in grade 6
JLPT level N2
801 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 層 【ソウ】 layer, stratum, seam, bed, class, stratum, bracket, group, sheaf, counter for stories (of a building)
- 層群 【ソウグン】 (geol) group
- 重層 【ジュウソウ】 multistoried, multilayered
- 高層 【コウソウ】 high-rise (building), multistory, multistoried, tall, high (altitude), upper (atmosphere, air current, etc.)
Readings
- Korean:
- cheung
Spanish
- estrato
- nivel
Portuguese
- estrato
- classe social
- camada
- estória
- andar
French
- strate
- classe sociale
- couche
- étage
| 934 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 921 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 893 | A New Dictionary of Kanji Usage |
| 1402 | Classic Nelson (Andrew Nelson) |
| 1183 | Essential Kanji (P.G. O’Neill) |
| 486 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1367 | Kanji and Kana (Spahn and Hadamitzky) |
| 1454 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1725 | Kanji in Context (Nishiguchi and Kono) |
| 533 | Kodansha Compact Kanji Guide |
| 3920 | Kodansha Kanji Dictionary (Jack Halpern) |
| 2021 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2728 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1074 | Les Kanjis dans la tete (Yves Maniette) |
| 7798X | Morohashi |
| 3161 | New Japanese English Character Dictionary (Jack Halpern) |
| 1432 | New Nelson (John Haig) |
| 1065 | Remembering The Kanji (James Heisig) |
| 1146 | Remembering The Kanji, 6th edition (James Heisig) |
| 977 | Tuttle Kanji Cards (Alexander Kask) |
| 3778 | 2001 Kanji |
| 3r11.2 | The Kanji Dictionary |
| 3-3-11 | SKIP code |
| 7726.6 | Four corner code |
| 1-33-56 | JIS X 0208-1997 kuten code |
| 5c64 | Unicode hex code |