| 1824 | A New Dictionary of Kanji Usage |
| 4894 | Classic Nelson (Andrew Nelson) |
| 2652 | Japanese Names (P.G. O’Neill) |
| 915 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 2203 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1565 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 40654 | Morohashi |
| 1753 | New Japanese English Character Dictionary (Jack Halpern) |
| 6317 | New Nelson (John Haig) |
| 2761 | Remembering The Kanji (James Heisig) |
| 418 | Remembering The Kanji, 6th edition (James Heisig) |
Stroke order
On reading compounds
- 鍵 【ケン】 key (on a piano, organ, etc.)
- 鍵盤 【ケンバン】 keyboard (of a piano, typewriter, etc.)
- 打鍵 【ダケン】 keystroke
- 黒鍵 【コッケン】 black key (on a piano, organ, etc.)
Kun reading compounds
- 鍵 【かぎ】 key, lock, key (to a problem, success, etc.), clue
- 鍵垢 【かぎアカ】 private account (on social media, esp. Twitter), account that can only be viewed by approved followers
- 公開鍵 【こうかいかぎ】 public key
- 暗号鍵 【あんごうかぎ】 cryptographic key, encryption key
Readings
- Korean:
- geon
Spanish
- llave
- tecla (piano
- órgano
- etc.)
Portuguese
French
| 8a8.18 | The Kanji Dictionary |
| 1-8-9 | SKIP code |
| 1-8-8 | SKIP code |
| 8514.0 | Four corner code |
| 1-24-16 | JIS X 0208-1997 kuten code |
| 9375 | Unicode hex code |
Jōyō kanji, taught in grade 6
JLPT level N1
1366 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 穴 【ケツ】 ass, arse, buttocks, rear, end, acupuncture point, hole, notch
- 穴隙 【ケツゲキ】 crevice, aperture
- 横穴 【ヨコアナ】 cave, tunnel, tunnel tomb (Kofun period)
- 経穴 【ケイケツ】 acupuncture point
Kun reading compounds
- 穴 【あな】 hole, opening, orifice, perforation, pit, hollow, cavity, hole (e.g. in the ground), burrow, den, lair, holt, hole, deficit, shortage, (financial) hole, loss, gap (left by a missing employee, team member, etc.), vacancy, opening, flaw, fault, defect, weak point, hole (in a theory, plan, etc.), loophole, good place not many people know about, well-kept secret, upset victory (with a large payoff), long shot, dark horse, (partitioned) box (type of floor seating in a traditional Japanese theatre), hiding place, hideout
- 穴埋め 【あなうめ】 filling (up) a hole, filling in (for a gap, vacancy, etc.), stopgap, filler (e.g. article), making up (for a loss, damage, etc.), covering (a deficit), compensation, cloze deletion (test format)
- 風穴 【かざあな】 air hole, windhole, ventilator
- 横穴 【よこあな】 cave, tunnel, tunnel tomb (Kofun period)
Readings
- Japanese names:
- けな、 しし、 な
- Korean:
- hyeol
Spanish
- agujero
- hueco
- cueva
- lugar poco conocido
- lugar escondido
Portuguese
- buraco
- orifício
- brecha
- caverna
- gruta
French
- trou
- orifice
- fente
- grotte
- tanière
| 860 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 849 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1201 | A New Dictionary of Kanji Usage |
| 3313 | Classic Nelson (Andrew Nelson) |
| 984 | Essential Kanji (P.G. O’Neill) |
| 1595 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 158 | Japanese Names (P.G. O’Neill) |
| 899 | Kanji and Kana (Spahn and Hadamitzky) |
| 921 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1122 | Kanji in Context (Nishiguchi and Kono) |
| 1450 | Kodansha Compact Kanji Guide |
| 2682 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1366 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1852 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1326 | Les Kanjis dans la tete (Yves Maniette) |
| 25406 | Morohashi |
| 2159 | New Japanese English Character Dictionary (Jack Halpern) |
| 4187 | New Nelson (John Haig) |
| 1316 | Remembering The Kanji (James Heisig) |
| 1413 | Remembering The Kanji, 6th edition (James Heisig) |
| 834 | Tuttle Kanji Cards (Alexander Kask) |
| 762 | 2001 Kanji |
| 3m2.2 | The Kanji Dictionary |
| 2-3-2 | SKIP code |
| 3080.2 | Four corner code |
| 1-23-74 | JIS X 0208-1997 kuten code |
| 7a74 | Unicode hex code |
Jōyō kanji, taught in grade 1
JLPT level N5
512 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 天 【テン】 sky, heaven, God, svarga (heaven-like realm visited as a stage of death and rebirth), deva (divine being of Buddhism), top (of a book), sole (of a Japanese sandal), beginning, start, tempura, India
- 天下 【テンカ】 the whole world, the whole country, society, the public, supremacy over a nation, government of a country, the ruling power, having one's own way, doing as one pleases, peerless, incomparable, superlative, world-famous, shogun (Edo period)
- 炎天 【エンテン】 blazing heat, scorching sun
- 楽天 【ラクテン】 optimism
Kun reading compounds
- 天津 【あまつ】 heavenly, imperial
- 天津乙女 【あまつおとめ】 celestial maiden
- 天 【あめ】 sky
- 天地 【てんち】 heaven and earth, the universe, the world, nature, land, world, realm, sphere, top and bottom, gods of heaven and earth
Readings
- Japanese names:
- あき、 あも、 た、 たかし、 て、 なま
- Korean:
- cheon
Spanish
- paraíso
- cielo
- imperial
Portuguese
- paraíso
- ceú
- imperiais
French
- cieux
- ciel
- impérial
| 119 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 67 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 58 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 364 | A New Dictionary of Kanji Usage |
| 16 | Classic Nelson (Andrew Nelson) |
| 78 | Essential Kanji (P.G. O’Neill) |
| 41 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 93 | Japanese Names (P.G. O’Neill) |
| 2.8 | Japanese for Busy People |
| 141 | Kanji and Kana (Spahn and Hadamitzky) |
| 141 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 462 | Kanji in Context (Nishiguchi and Kono) |
| 410 | Kodansha Compact Kanji Guide |
| 4250 | Kodansha Kanji Dictionary (Jack Halpern) |
| 2148 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2898 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 435 | Les Kanjis dans la tete (Yves Maniette) |
| 5833 | Morohashi |
| 3442 | New Japanese English Character Dictionary (Jack Halpern) |
| 1138 | New Nelson (John Haig) |
| 428 | Remembering The Kanji (James Heisig) |
| 457 | Remembering The Kanji, 6th edition (James Heisig) |
| 277 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 34 | Tuttle Kanji Cards (Alexander Kask) |
| 3163 | 2001 Kanji |
| 0a4.21 | The Kanji Dictionary |
| 4-4-1 | SKIP code |
| 1043.0 | Four corner code |
| 1-37-23 | JIS X 0208-1997 kuten code |
| 5929 | Unicode hex code |
Stroke order
Kun reading compounds
- 覗く 【のぞく】 to peek (through a keyhole, gap, etc.), to look down into (a ravine, etc.), to peek into (a shop, bookstore, etc.), to sneak a look at, to take a quick look at, to peep (through a telescope, microscope, etc.), to stick out (a scarf from a collar, etc.), to peek through (sky through a forest canopy, etc.), to examine (an expression), to study (a face), to face
- 窺う 【うかがう】 to peep (through), to peek, to examine (esp. covertly), to await (one's chance), to guess, to infer, to gather, to surmise
Readings
- Korean:
- sa
Spanish
Portuguese
French
| 4287 | Classic Nelson (Andrew Nelson) |
| 34839 | Morohashi |
| 5528 | New Nelson (John Haig) |
| 2875 | Remembering The Kanji (James Heisig) |
| 2886 | Remembering The Kanji, 6th edition (James Heisig) |
| 5c7.3 | The Kanji Dictionary |
| 1-5-7 | SKIP code |
| 1661.0 | Four corner code |
| 1-39-33 | JIS X 0208-1997 kuten code |
| 8997 | Unicode hex code |