| 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 N3
388 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 声楽 【セイガク】 vocal music
- 声援 【セイエン】 (shout of) encouragement, cheering, rooting, support
- 肉声 【ニクセイ】 natural voice (without a microphone)
- 和声 【ワセイ】 harmony, concord, consonance
- 声 【ショウ】 voice, sound, tone (of Chinese character), tone mark, stress (in pronunciation), intonation, accent
- 声点 【ショウテン】 tone mark, mark placed in one of the four corners of a Chinese character to indicate the tone
- 高声 【コウセイ】 loud voice, high-pitched voice
- 上声 【ジョウショウ】 rising tone (in Chinese), (of a Japanese accent) having a high, flat tone
Kun reading compounds
- 声 【こえ】 voice, singing (of a bird), chirping (of an insect), hoot, voice, opinion (as expressed in words), view, wish, attitude, will, sound, sense (of something's arrival), feeling, voice, voiced sound
- 声かけ 【こえかけ】 saying something (to someone), greeting, approaching (someone)
- 一声 【いっせい】 voice, cry, shout
- 険しい声 【けわしいこえ】 sharp voice
Readings
- Korean:
- seong
Spanish
- voz
- fama
- reputación
- rumor
Portuguese
- Voz
French
- voix
| 97 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 170 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 153 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 467 | A New Dictionary of Kanji Usage |
| 1066 | Classic Nelson (Andrew Nelson) |
| 226 | Essential Kanji (P.G. O’Neill) |
| 146 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 465 | Japanese Names (P.G. O’Neill) |
| 2.14 | Japanese for Busy People |
| 746 | Kanji and Kana (Spahn and Hadamitzky) |
| 759 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 619 | Kanji in Context (Nishiguchi and Kono) |
| 396 | Kodansha Compact Kanji Guide |
| 2724 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1393 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1880 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1914 | Les Kanjis dans la tete (Yves Maniette) |
| 5645 | Morohashi |
| 2198 | New Japanese English Character Dictionary (Jack Halpern) |
| 989 | New Nelson (John Haig) |
| 1896 | Remembering The Kanji (James Heisig) |
| 2044 | Remembering The Kanji, 6th edition (James Heisig) |
| 299 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 147 | Tuttle Kanji Cards (Alexander Kask) |
| 1460 | 2001 Kanji |
| 3p4.4 | The Kanji Dictionary |
| 2-3-4 | SKIP code |
| 4027.7 | Four corner code |
| 1-32-28 | JIS X 0208-1997 kuten code |
| 58f0 | Unicode hex code |