| 4 | A Guide To Reading and Writing Japanese (Florence Sakade) | 
| 4 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) | 
| 26 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) | 
| 18 | A New Dictionary of Kanji Usage | 
| 1025 | Classic Nelson (Andrew Nelson) | 
| 6 | Essential Kanji (P.G. O’Neill) | 
| 35 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) | 
| 188 | Japanese Names (P.G. O’Neill) | 
| 1.A | Japanese for Busy People | 
| 6 | Kanji and Kana (Spahn and Hadamitzky) | 
| 6 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) | 
| 4 | Kanji in Context (Nishiguchi and Kono) | 
| 335 | Kodansha Compact Kanji Guide | 
| 3778 | Kodansha Kanji Dictionary (Jack Halpern) | 
| 1928 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) | 
| 2620 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) | 
| 4 | Les Kanjis dans la tete (Yves Maniette) | 
| 4682 | Morohashi | 
| 3044 | New Japanese English Character Dictionary (Jack Halpern) | 
| 938 | New Nelson (John Haig) | 
| 4 | Remembering The Kanji (James Heisig) | 
| 4 | Remembering The Kanji, 6th edition (James Heisig) | 
| 114 | The Kanji Way to Japanese Language Power (Dale Crowley) | 
| 37 | Tuttle Kanji Cards (Alexander Kask) | 
      Jōyō kanji, taught in grade 1
    
    
      JLPT level N5
    
    
      47 of 2500 most used kanji in newspapers
    
Stroke order
On reading compounds
- 四 【シ】 four, 4
 - 4月 【シガツ】 April, fourth month in the lunar calendar
 - 十四 【ジュウシ】 fourteen, 14
 - 炭素14 【タンソジュウシ】 carbon-14
 
Kun reading compounds
- 四 【し】 four, 4
 - 四畳半 【よじょうはん】 four and a half tatami mats, four-and-a-half-mat room, small room esp. for assignations
 - 四つ 【よっつ】 four, 4, four years of age, ten o'clock (in the old time system), burakumin, cross grips
 - 四つ角 【よつかど】 four corners, crossroads, intersecting street, street corner
 - 四つ 【よっつ】 four, 4, four years of age, ten o'clock (in the old time system), burakumin, cross grips
 - 四つの自由 【よっつのじゆう】 the Four Freedoms (as defined by Franklin D. Roosevelt: freedom of speech, freedom of worship, freedom from want, freedom from fear)
 - 四 【し】 four, 4
 - 40 【よんじゅう】 forty, 40
 - 十四 【じゅうし】 fourteen, 14
 - 軽四 【けいよん】 four-wheeled light vehicle
 
Readings
- Japanese names:
 - あ、 つ、 よつ
 
- Korean:
 - sa
 
Spanish
- cuatro
 - 4
 
Portuguese
- quatro
 
French
- quatre
 
| 3675 | 2001 Kanji | 
| 3s2.2 | The Kanji Dictionary | 
| 3-3-2 | SKIP code | 
| 4-5-1 | SKIP code | 
| 6021.0 | Four corner code | 
| 1-27-45 | JIS X 0208-1997 kuten code | 
| 56db | Unicode hex code | 
      Jōyō kanji, taught in grade 2
    
    
      JLPT level N2
    
    
      805 of 2500 most used kanji in newspapers
    
Stroke order
On reading compounds
- 角 【カク】 angle, square, cube, bishop, third degree (of the Japanese and Chinese pentatonic scale), Chinese "horn" constellation (one of the 28 mansions), jiao (monetary unit of China; one-tenth of a yuan)
 - 角界 【カクカイ】 the world of sumo
 - 内角 【ナイカク】 interior angle, internal angle, inside corner
 - 外角 【ガイカク】 external angle, exterior angle, outside corner
 
Kun reading compounds
- 角 【かど】 corner, edge, (street) corner, turning, rough edges (of one's character, words, etc.), abrasiveness, harshness, sharpness
 - 角地 【かどち】 corner lot
 - 四つ角 【よつかど】 four corners, crossroads, intersecting street, street corner
 - 塩角 【しおかど】 sharp taste of (refined) salt
 - 角 【つの】 horn, antler, antenna, feeler, tentacle (e.g. of a snail), horn-like projection (e.g. peaks of whipped cream)
 - 角隠し 【つのかくし】 bride's head-dress
 - 枝角 【えだづの】 antler
 - 豊穣の角 【ほうじょうのつの】 cornucopia, horn of plenty
 
Readings
- Japanese names:
 - い、 す、 すみ、 ずみ、 ふさ
 
- Korean:
 - gag
 
Spanish
- ángulo
 - esquina
 - cuadrado
 - cuerno
 
Portuguese
- ângulo
 - canto
 - chifre
 
French
- angle
 - coin
 - carré
 - corne
 - bois (andouillers)
 
| 173 | A Guide To Reading and Writing Japanese (Florence Sakade) | 
| 97 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) | 
| 243 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) | 
| 714 | A New Dictionary of Kanji Usage | 
| 4301 | Classic Nelson (Andrew Nelson) | 
| 273 | Essential Kanji (P.G. O’Neill) | 
| 891 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) | 
| 547 | Japanese Names (P.G. O’Neill) | 
| 473 | Kanji and Kana (Spahn and Hadamitzky) | 
| 481 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) | 
| 716 | Kanji in Context (Nishiguchi and Kono) | 
| 1650 | Kodansha Compact Kanji Guide | 
| 2541 | Kodansha Kanji Dictionary (Jack Halpern) | 
| 1293 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) | 
| 1761 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) | 
| 1829 | Les Kanjis dans la tete (Yves Maniette) | 
| 35003 | Morohashi | 
| 2047 | New Japanese English Character Dictionary (Jack Halpern) | 
| 5543 | New Nelson (John Haig) | 
| 1812 | Remembering The Kanji (James Heisig) | 
| 1953 | Remembering The Kanji, 6th edition (James Heisig) | 
| 138 | Tuttle Kanji Cards (Alexander Kask) | 
| 2545 | 2001 Kanji | 
| 2n5.1 | The Kanji Dictionary | 
| 2-2-5 | SKIP code | 
| 3-4-3 | SKIP code | 
| 2722.7 | Four corner code | 
| 1-19-49 | JIS X 0208-1997 kuten code | 
| 89d2 | Unicode hex code | 
      Jōyō kanji, taught in grade 2
    
    
      JLPT level N3
    
    
      418 of 2500 most used kanji in newspapers
    
Stroke order
On reading compounds
- 形 【ケイ】 form, adjective, i-adjective (in Japanese)
 - 形式 【ケイシキ】 form (as opposed to substance), format, form, style, manner, formality, form, mode, form, form (bilinear, quadratic, etc.)
 - 造形 【ゾウケイ】 molding, moulding, shaping, forming, modelling (i.e. plastic arts), modeling
 - 体型 【タイケイ】 figure, body shape, build, physique, form, somatotype, biotype, habitus, (type of) physique
 - 形相 【ギョウソウ】 look (esp. an angry or upset look), expression
 - 大仰 【オオギョウ】 exaggerated, overblown, overdone
 - 阿形 【アギョウ】 open-mouthed form (statue with open mouth, symbolizing the "a" half of "aum")
 
Kun reading compounds
- 形 【かた】 shape, form, style, security, collateral, obverse of an old zeni coin
 - 形 【かたち】 form, shape, figure, visage
 - 借金のカタ 【しゃっきんのカタ】 security for a loan, collateral
 - 館 【やかた】 mansion, palace, manor house, castle, nobleman, noblewoman, dignitary, cabin (on a boat, carriage, etc.)
 - 形 【かたち】 form, shape, figure, visage
 - 形作る 【かたちづくる】 to form, to shape, to make, to mold, to mould, to build up
 - 顔かたち 【かおかたち】 features, looks
 - 姿形 【すがたかたち】 appearance, figure, shape, form
 - 形 【なり】 style, way, shape, form, appearance, state
 - 形体 【なりかたち】 one's appearance
 - 生成り 【きなり】 unbleached cloth, unbleached colour (color), unbleached, undyed
 - 鉤状 【かぎなり】 hooklike, hook-shaped, unciform
 
Readings
- Japanese names:
 - ち
 
- Korean:
 - hyeong
 
Spanish
- forma
 - figura
 - tipo
 
Portuguese
- forma
 - formulário
 - estilo
 
French
- forme
 - style
 
| 200 | A Guide To Reading and Writing Japanese (Florence Sakade) | 
| 115 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) | 
| 104 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) | 
| 408 | A New Dictionary of Kanji Usage | 
| 1589 | Classic Nelson (Andrew Nelson) | 
| 223 | Essential Kanji (P.G. O’Neill) | 
| 518 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) | 
| 414 | Japanese Names (P.G. O’Neill) | 
| 3.6 | Japanese for Busy People | 
| 395 | Kanji and Kana (Spahn and Hadamitzky) | 
| 399 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) | 
| 509 | Kanji in Context (Nishiguchi and Kono) | 
| 615 | Kodansha Compact Kanji Guide | 
| 1050 | Kodansha Kanji Dictionary (Jack Halpern) | 
| 565 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) | 
| 749 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) | 
| 1727 | Les Kanjis dans la tete (Yves Maniette) | 
| 9969 | Morohashi | 
| 846 | New Japanese English Character Dictionary (Jack Halpern) | 
| 1713 | New Nelson (John Haig) | 
| 1711 | Remembering The Kanji (James Heisig) | 
| 1847 | Remembering The Kanji, 6th edition (James Heisig) | 
| 306 | The Kanji Way to Japanese Language Power (Dale Crowley) | 
| 141 | Tuttle Kanji Cards (Alexander Kask) | 
| 3260 | 2001 Kanji | 
| 3j4.1 | The Kanji Dictionary | 
| 1-4-3 | SKIP code | 
| 1242.2 | Four corner code | 
| 1-23-33 | JIS X 0208-1997 kuten code | 
| 5f62 | Unicode hex code |