| 729 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 623 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 593 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 117 | A New Dictionary of Kanji Usage |
| 4274 | Classic Nelson (Andrew Nelson) |
| 262 | Essential Kanji (P.G. O’Neill) |
| 887 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1218 | Japanese Names (P.G. O’Neill) |
| 3.16 | Japanese for Busy People |
| 419 | Kanji and Kana (Spahn and Hadamitzky) |
| 425 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 424 | Kanji in Context (Nishiguchi and Kono) |
| 1639 | Kodansha Compact Kanji Guide |
| 3263 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1683 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2290 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1618 | Les Kanjis dans la tete (Yves Maniette) |
| 34768P | Morohashi |
| 2635 | New Japanese English Character Dictionary (Jack Halpern) |
| 5515 | New Nelson (John Haig) |
| 1604 | Remembering The Kanji (James Heisig) |
| 1730 | Remembering The Kanji, 6th edition (James Heisig) |
| 78 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 536 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in grade 4
JLPT level N3
106 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 要 【ヨウ】 main point, essential point, important thing, necessity, need, requirement
- 要因 【ヨウイン】 main cause, primary factor
- 所要 【ショヨウ】 required, needed, necessary
- 法要 【ホウヨウ】 Buddhist memorial service
Kun reading compounds
- 要る 【いる】 to be needed, to be necessary, to be required, to be wanted, to need, to want
- 要 【かなめ】 pivot, vital point, cornerstone, keystone, Japanese photinia
- 要石 【かなめいし】 keystone
Readings
- Japanese names:
- とし
- Korean:
- yo
Spanish
- necesidad
- punto central
- esencia
- necesitar
Portuguese
- necessidade
- ponto principal
- essência
- pivô
- chave para
French
- besoin
- point principal
- pivot
- essentiel
- point clef
| 3269 | 2001 Kanji |
| 3e6.11 | The Kanji Dictionary |
| 2-6-3 | SKIP code |
| 1040.4 | Four corner code |
| 1-45-55 | JIS X 0208-1997 kuten code |
| 8981 | Unicode hex code |
Jōyō kanji, taught in grade 5
JLPT level N1
660 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 素 【ソ】 plain, white silk, prime
- 素案 【ソアン】 rough plan, draft
- 栄養素 【エイヨウソ】 nutrient
- 酵素 【コウソ】 enzyme
- 素 【ス】 one's nature, one's feelings, oneself, plain, unadorned, undecorated, unadulterated, au naturel, mere, poor, exceedingly
- 素顔 【スガオ】 face with no make-up, unpainted face, true face (of a country, celebrity, etc.), real face, true picture, real nature, sober face, sobriety
- 空素 【カラス】 dealt hand containing only 1-point cards (scoring combination)
- 鉤素 【ハリス】 snell (fishing), leader, trace, cast
Kun reading compounds
- 元 【もと】 origin, source, beginning, basis, base, foundation, root, cause, (raw) material, ingredient, base, mix (e.g. for a cake), (soup) stock, (one's) side, capital, principal, cost price, root (of a plant), (tree) trunk, part (of a brush, chopsticks, etc.) one holds (with the hand), first three lines of a waka, counter for plants or trees, counter for falcons (in falconry)
- 元より 【もとより】 from the beginning, from the first, all along, originally, of course, not to mention ..., not only ... but also ..., to say nothing of ...
- 味の素 【あじのもと】 Ajinomoto, brand name of monosodium glutamate (MSG)
- 味の素 【あじのもと】 Ajinomoto Co. Inc.
Readings
- Korean:
- so
Spanish
- materia prima
- elemental
- normal
- usual
Portuguese
- elementar
- princípio
- descoberto
- nu
French
- élément
- principe
- nu
- découvert
| 658 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 759 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 737 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 717 | A New Dictionary of Kanji Usage |
| 3511 | Classic Nelson (Andrew Nelson) |
| 797 | Essential Kanji (P.G. O’Neill) |
| 1623 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1707 | Japanese Names (P.G. O’Neill) |
| 271 | Kanji and Kana (Spahn and Hadamitzky) |
| 271 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 636 | Kanji in Context (Nishiguchi and Kono) |
| 1506 | Kodansha Compact Kanji Guide |
| 3108 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1590 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2171 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1546 | Les Kanjis dans la tete (Yves Maniette) |
| 27300 | Morohashi |
| 2458 | New Japanese English Character Dictionary (Jack Halpern) |
| 4456 | New Nelson (John Haig) |
| 1532 | Remembering The Kanji (James Heisig) |
| 1652 | Remembering The Kanji, 6th edition (James Heisig) |
| 500 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 716 | Tuttle Kanji Cards (Alexander Kask) |
| 1441 | 2001 Kanji |
| 6a4.12 | The Kanji Dictionary |
| 2-4-6 | SKIP code |
| 5090.3 | Four corner code |
| 1-33-39 | JIS X 0208-1997 kuten code |
| 7d20 | 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 |