| 523 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 423 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 401 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 268 | A New Dictionary of Kanji Usage |
| 3727 | Classic Nelson (Andrew Nelson) |
| 267 | Essential Kanji (P.G. O’Neill) |
| 193 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 303 | Japanese Names (P.G. O’Neill) |
| 3.4 | Japanese for Busy People |
| 265 | Kanji and Kana (Spahn and Hadamitzky) |
| 265 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 347 | Kanji in Context (Nishiguchi and Kono) |
| 1003 | Kodansha Compact Kanji Guide |
| 3703 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1895 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2576 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 79 | Les Kanjis dans la tete (Yves Maniette) |
| 14332 | Morohashi |
| 2983 | New Japanese English Character Dictionary (Jack Halpern) |
| 4756 | New Nelson (John Haig) |
| 79 | Remembering The Kanji (James Heisig) |
| 83 | Remembering The Kanji, 6th edition (James Heisig) |
| 245 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 273 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in grade 3
JLPT level N4
282 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 有 【ユウ】 existence, possession, having, limited company
- 有意義 【ユウイギ】 significant, useful, meaningful, worthwhile, valuable, of interest
- 領有 【リョウユウ】 possession (esp. of a territory)
- 公有 【コウユウ】 public ownership, public domain
- 有 【ウ】 bhava (becoming, existence)
- 有無 【ウム】 existence or nonexistence, presence or absence, consent or refusal, yes or no
- 領有 【リョウユウ】 possession (esp. of a territory)
- 公有 【コウユウ】 public ownership, public domain
Kun reading compounds
- 有る 【ある】 to be, to exist, to live, to have, to be located, to be equipped with, to happen, to come about
- ある限り 【あるかぎり】 all (there is), as long as there is
Readings
- Japanese names:
- あ、 あら、 あり、 ある、 くに、 なお、 ゆ
- Korean:
- yu
Spanish
- existir
- poseer
- tener
- ser
Portuguese
- possuir
- ter
- existir
- acontecer
- ocorrer
- aproximadamente
- haver
French
- posséder
- avoir
- être
- arriver (se passer)
| 1446 | 2001 Kanji |
| 4b2.3 | The Kanji Dictionary |
| 3-2-4 | SKIP code |
| 4022.7 | Four corner code |
| 1-45-13 | JIS X 0208-1997 kuten code |
| 6709 | Unicode hex code |
Jōyō kanji, taught in grade 5
JLPT level N2
538 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 効 【コウ】 efficacy, benefit, efficiency, effect, result, success
- 効果 【コウカ】 effect, effectiveness, efficacy, result, effects (e.g. sound effects, visual effects, special effects)
- 実効 【ジッコウ】 practical effect, efficacy, efficiency
- 時効 【ジコウ】 statute of limitations, lapse of rights after a period of time, prescription (including acquisitive and extinctive prescription), becoming invalid or void after a set time, ageing, aging
Kun reading compounds
- 効く 【きく】 to be effective, to take effect, to be good (for), to work, to function well, to be possible (to do, use, etc.), to be able to, to taste (alcohol), to try
- 効き目 【ききめ】 effect, virtue, efficacy, impression, one's dominant eye
Readings
- Korean:
- hyo
Spanish
- eficacia
- eficiencia
- efecto
- ser efectivo
Portuguese
- mérito
- eficácia
- eficiência
- benefício
French
- efficacité
- bénéfique
- mérite
| 782 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 697 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 671 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 515 | A New Dictionary of Kanji Usage |
| 722 | Classic Nelson (Andrew Nelson) |
| 623 | Essential Kanji (P.G. O’Neill) |
| 370 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 653 | Japanese Names (P.G. O’Neill) |
| 816 | Kanji and Kana (Spahn and Hadamitzky) |
| 835 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 501 | Kanji in Context (Nishiguchi and Kono) |
| 216 | Kodansha Compact Kanji Guide |
| 1617 | Kodansha Kanji Dictionary (Jack Halpern) |
| 849 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1164 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1284 | Les Kanjis dans la tete (Yves Maniette) |
| 2334 | Morohashi |
| 1265 | New Japanese English Character Dictionary (Jack Halpern) |
| 535 | New Nelson (John Haig) |
| 1276 | Remembering The Kanji (James Heisig) |
| 1369 | Remembering The Kanji, 6th edition (James Heisig) |
| 682 | Tuttle Kanji Cards (Alexander Kask) |
| 445 | 2001 Kanji |
| 2g6.2 | The Kanji Dictionary |
| 1-6-2 | SKIP code |
| 0442.7 | Four corner code |
| 1-24-90 | JIS X 0208-1997 kuten code |
| 52b9 | Unicode hex code |
range, region, limits, stage, level
- On:
- イキ
Jōyō kanji, taught in grade 6
JLPT level N2
396 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 域 【イキ】 region, limits, stage, level
- 域外 【イキガイ】 outside the area
- 空域 【クウイキ】 airspace
- 聖域 【セイイキ】 sacred precincts, sanctuary, consecrated ground, holy ground, issue that is regarded as being off-limits, matter that is not up for discussion
Readings
- Korean:
- yeog
Spanish
- rango
- región
- límite
Portuguese
- série
- região
- limites
- estágio
- nível
French
- zone
- champ
- région
- limites
- stade
- niveau
| 828 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 809 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 670 | A New Dictionary of Kanji Usage |
| 1085 | Classic Nelson (Andrew Nelson) |
| 1017 | Essential Kanji (P.G. O’Neill) |
| 434 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1290A | Japanese Names (P.G. O’Neill) |
| 970 | Kanji and Kana (Spahn and Hadamitzky) |
| 1002 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1072 | Kanji in Context (Nishiguchi and Kono) |
| 376 | Kodansha Compact Kanji Guide |
| 559 | Kodansha Kanji Dictionary (Jack Halpern) |
| 341 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 421 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 362 | Les Kanjis dans la tete (Yves Maniette) |
| 5158 | Morohashi |
| 465 | New Japanese English Character Dictionary (Jack Halpern) |
| 1030 | New Nelson (John Haig) |
| 356 | Remembering The Kanji (James Heisig) |
| 380 | Remembering The Kanji, 6th edition (James Heisig) |
| 919 | Tuttle Kanji Cards (Alexander Kask) |
| 1459 | 2001 Kanji |
| 3b8.3 | The Kanji Dictionary |
| 1-3-8 | SKIP code |
| 4315.0 | Four corner code |
| 1-16-72 | JIS X 0208-1997 kuten code |
| 57df | Unicode hex code |