| 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 3
JLPT level N3
302 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 球 【キュウ】 sphere, globe, ball, bulb, ball, sphere, counter for pitches
- 球威 【キュウイ】 (pitcher's) stuff
- 配球 【ハイキュウ】 combination of (varied) pitches, serves, etc.
- 制球 【セイキュウ】 (pitcher's) control
Kun reading compounds
- 玉 【たま】 ball, sphere, globe, orb, bead (of sweat, dew, etc.), drop, droplet, ball (in sports), pile (of noodles, etc.), bullet, bulb (i.e. a light bulb), lens (of glasses, etc.), bead (of an abacus), ball (i.e. a testicle), gem, jewel (esp. spherical; sometimes used figuratively), pearl, female entertainer (e.g. a geisha), person (when commenting on their nature), character, item, funds or person used as part of a plot, egg, okonomiyaki, coin, precious, beautiful, excellent
- 玉突き 【たまつき】 billiards, pool, serial collisions (of cars)
- 電気の球 【でんきのたま】 electric (light) bulb
- 目の玉 【めのたま】 eyeball
Readings
- Japanese names:
- く
- Korean:
- gu
Spanish
- pelota
- esfera
Portuguese
- bola
- esfera
French
- balle
- sphère
| 188 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 275 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 257 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 379 | A New Dictionary of Kanji Usage |
| 2941 | Classic Nelson (Andrew Nelson) |
| 845 | Essential Kanji (P.G. O’Neill) |
| 736 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1359 | Japanese Names (P.G. O’Neill) |
| 3.7 | Japanese for Busy People |
| 726 | Kanji and Kana (Spahn and Hadamitzky) |
| 739 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 935 | Kanji in Context (Nishiguchi and Kono) |
| 1319 | Kodansha Compact Kanji Guide |
| 1219 | Kodansha Kanji Dictionary (Jack Halpern) |
| 658 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 880 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 944 | Les Kanjis dans la tete (Yves Maniette) |
| 21011 | Morohashi |
| 969 | New Japanese English Character Dictionary (Jack Halpern) |
| 3643 | New Nelson (John Haig) |
| 935 | Remembering The Kanji (James Heisig) |
| 1005 | Remembering The Kanji, 6th edition (James Heisig) |
| 370 | Tuttle Kanji Cards (Alexander Kask) |
| 3142 | 2001 Kanji |
| 4f7.2 | The Kanji Dictionary |
| 1-4-7 | SKIP code |
| 1313.2 | Four corner code |
| 1-21-69 | JIS X 0208-1997 kuten code |
| 7403 | Unicode hex code |