| 694 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 389 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 563 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 809 | A New Dictionary of Kanji Usage |
| 483 | Classic Nelson (Andrew Nelson) |
| 866 | Essential Kanji (P.G. O’Neill) |
| 323 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1025 | Japanese Names (P.G. O’Neill) |
| 87 | Kanji and Kana (Spahn and Hadamitzky) |
| 87 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 158 | Kanji in Context (Nishiguchi and Kono) |
| 111 | Kodansha Compact Kanji Guide |
| 122 | Kodansha Kanji Dictionary (Jack Halpern) |
| 80 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 90 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1001 | Les Kanjis dans la tete (Yves Maniette) |
| 760 | Morohashi |
| 108 | New Japanese English Character Dictionary (Jack Halpern) |
| 252 | New Nelson (John Haig) |
| 992 | Remembering The Kanji (James Heisig) |
| 1067 | Remembering The Kanji, 6th edition (James Heisig) |
| 364 | Tuttle Kanji Cards (Alexander Kask) |
double, twice, times, fold
- On:
- バイ
Jōyō kanji, taught in grade 3
JLPT level N2
714 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 倍 【バイ】 double, twice (as much), times (as much), -fold, 1-nth, 1 to n, 1 in n
- 倍増 【バイゾウ】 doubling, double
- 逓倍 【テイバイ】 multiplication (e.g. of frequencies)
- 倍々 【バイバイ】 doubling (repeatedly), multiplying
Readings
- Japanese names:
- べ、 ます
- Korean:
- bae, pae
Spanish
- doble
- veces
Portuguese
- Duplicar
- duas vezes
- tempos
- dobra
French
- double
- deux fois
- fois
- plier (en 2)
| 2177 | 2001 Kanji |
| 2a8.14 | The Kanji Dictionary |
| 1-2-8 | SKIP code |
| 2026.1 | Four corner code |
| 1-39-60 | JIS X 0208-1997 kuten code |
| 500d | Unicode hex code |
Jōyō kanji, taught in grade 2
JLPT level N3
148 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 数 【スウ】 several, a number of, quantity, amount, counting, figures, numbers, number, numeral, figure, number, destiny, fate, course of events, trend
- 数億年 【スウオクネン】 several hundred million years
- 複数 【フクスウ】 plural, multiple, plural (number)
- 枚数 【マイスウ】 the number of flat things, win-loss difference which influences the ranking of wrestlers
- 数 【スウ】 several, a number of, quantity, amount, counting, figures, numbers, number, numeral, figure, number, destiny, fate, course of events, trend
- 数億年 【スウオクネン】 several hundred million years
- 数牌 【シューパイ】 suited tiles
Kun reading compounds
- 数 【かず】 number, amount
- 数多く 【かずおおく】 in great numbers
- 手数 【てすう】 trouble, bother, number of moves (in go, shogi, etc.), number of punches
- 口数 【くちかず】 number of words a person speaks, number of dependents, number of mouths to feed, number of shares, items, applications, etc.
- 数える 【かぞえる】 to count, to enumerate
- 屡々 【しばしば】 often, again and again, frequently, repeatedly
Readings
- Japanese names:
- じゅ
- Korean:
- su, chog
Spanish
- número
- cifra
- contar
Portuguese
- número
- vigor
- destino
- lei
- figuras
French
- nombre
- compter
- destin
- loi
- chiffres
| 262 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 168 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 151 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 188 | A New Dictionary of Kanji Usage |
| 2057 | Classic Nelson (Andrew Nelson) |
| 429 | Essential Kanji (P.G. O’Neill) |
| 592 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 2169 | Japanese Names (P.G. O’Neill) |
| 3.6 | Japanese for Busy People |
| 225 | Kanji and Kana (Spahn and Hadamitzky) |
| 225 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 529 | Kanji in Context (Nishiguchi and Kono) |
| 945 | Kodansha Compact Kanji Guide |
| 2245 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1170 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1591 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 938 | Les Kanjis dans la tete (Yves Maniette) |
| 13319 | Morohashi |
| 1790 | New Japanese English Character Dictionary (Jack Halpern) |
| 2353 | New Nelson (John Haig) |
| 929 | Remembering The Kanji (James Heisig) |
| 998 | Remembering The Kanji, 6th edition (James Heisig) |
| 159 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 227 | Tuttle Kanji Cards (Alexander Kask) |
| 1066 | 2001 Kanji |
| 4i9.1 | The Kanji Dictionary |
| 1-9-4 | SKIP code |
| 9844.0 | Four corner code |
| 1-31-84 | JIS X 0208-1997 kuten code |
| 6570 | Unicode hex code |
Jōyō kanji, taught in grade 5
JLPT level N3
104 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 性 【セイ】 nature (of a person), sex, gender, sex (i.e. sexual attraction, activity, etc.), gender, -ty, -ity, -ness, -cy
- 性格 【セイカク】 character (of a person), personality, disposition, nature, characteristics, nature (of a thing, event, etc.)
- 耐性 【タイセイ】 resistance (e.g. to antibiotics), tolerance (e.g. drug tolerance)
- 社会性 【シャカイセイ】 sociality
- 性 【ショウ】 nature, disposition, temperament, character, quality, that which does not change according to external influences
- 性根 【ショウネ】 nature, character, disposition
- 冷え性 【ヒエショウ】 sensitivity to cold
- 凝り性 【コリショウ】 tendency to become totally absorbed in something, monomania, perfectionism, fastidiousness, meticulousness, susceptibility for a stiffening of the shoulders
Kun reading compounds
- 性 【さが】 one's nature, one's destiny, custom, tradition, habit, convention
Readings
- Korean:
- seong
Spanish
- sexo
- género
- naturaleza
- temperamento
Portuguese
- sexo
- gênero
- natureza
French
- sexe
- genre
- nature
- propriétés
| 645 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 745 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 723 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 199 | A New Dictionary of Kanji Usage |
| 1666 | Classic Nelson (Andrew Nelson) |
| 280 | Essential Kanji (P.G. O’Neill) |
| 535 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 564 | Japanese Names (P.G. O’Neill) |
| 2.13 | Japanese for Busy People |
| 98 | Kanji and Kana (Spahn and Hadamitzky) |
| 98 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 421 | Kanji in Context (Nishiguchi and Kono) |
| 811 | Kodansha Compact Kanji Guide |
| 357 | Kodansha Kanji Dictionary (Jack Halpern) |
| 222 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 266 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1572 | Les Kanjis dans la tete (Yves Maniette) |
| 10478 | Morohashi |
| 299 | New Japanese English Character Dictionary (Jack Halpern) |
| 1822 | New Nelson (John Haig) |
| 1558 | Remembering The Kanji (James Heisig) |
| 1679 | Remembering The Kanji, 6th edition (James Heisig) |
| 119 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 690 | Tuttle Kanji Cards (Alexander Kask) |
| 1172 | 2001 Kanji |
| 4k5.4 | The Kanji Dictionary |
| 1-3-5 | SKIP code |
| 1-1-7 | SKIP code |
| 9501.0 | Four corner code |
| 1-32-13 | JIS X 0208-1997 kuten code |
| 6027 | Unicode hex code |