| 36 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 52 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 43 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 390 | A New Dictionary of Kanji Usage |
| 5076 | Classic Nelson (Andrew Nelson) |
| 331 | Essential Kanji (P.G. O’Neill) |
| 273 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 700 | Japanese Names (P.G. O’Neill) |
| 2.2 | Japanese for Busy People |
| 208 | Kanji and Kana (Spahn and Hadamitzky) |
| 208 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 47 | Kanji in Context (Nishiguchi and Kono) |
| 1871 | Kodansha Compact Kanji Guide |
| 3084 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1573 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2152 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1548 | Les Kanjis dans la tete (Yves Maniette) |
| 42564P | Morohashi |
| 2430 | New Japanese English Character Dictionary (Jack Halpern) |
| 6557 | New Nelson (John Haig) |
| 1534 | Remembering The Kanji (James Heisig) |
| 1654 | Remembering The Kanji, 6th edition (James Heisig) |
| 393 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 74 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in grade 1
JLPT level N4
589 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 青果 【セイカ】 fruits and vegetables, produce
- 青雲 【セイウン】 blue sky, erudition, detachment from the world, high rank
- 回青 【カイセイ】 Mohammedan blue (pigment used in porcelain painting)
- 黛青 【タイセイ】 blackish blue
- 青面金剛 【ショウメンコンゴウ】 Shōmen Kongō, Blue-Faced Vajra, blue-skinned deity depicted with two, four or six arms; originally associated with esoteric Buddhism, thought to bring sickness; revered as part of kōshin-machi beliefs during the Edo period
- 青龍 【セイリョウ】 blue dragon (an auspicious creature in Chinese mythology), Azure Dragon (god said to rule over the eastern heavens)
- 緑青 【ロクショウ】 verdigris, green rust, copper rust
- 花緑青 【ハナロクショウ】 Paris green, emerald green
Kun reading compounds
- 青 【あお】 blue, azure, green, green light (traffic), black (horse coat color), blue 5-point card, immature, unripe, young
- 青梅 【あおうめ】 unripe plum
- プロシア青 【プロシアあお】 Prussian blue
- 深青 【ふかあお】 dark blue, deep blue, navy blue
- 青い 【あおい】 blue, azure, green, pale (facial color), gray, grey, unripe, inexperienced
- 青色 【あおいろ】 blue
Readings
- Japanese names:
- お
- Korean:
- cheong
Spanish
- azul
- verde
- pálido
Portuguese
- verde
- azul
- imaturo
- verde-claro
French
- bleu
- vert
| 1446 | 2001 Kanji |
| 4b4.10 | The Kanji Dictionary |
| 2-4-4 | SKIP code |
| 5022.7 | Four corner code |
| 1-32-36 | JIS X 0208-1997 kuten code |
| 9752 | Unicode hex code |
Jōyō kanji, taught in grade 5
JLPT level N1
1218 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 酸 【サン】 acid, sourness, sour taste
- 酸化 【サンカ】 oxidation, oxidization
- 炭酸 【タンサン】 carbonic acid, carbonated water, carbonated drink, baking soda, sodium carbonate
- アミノ酸 【アミノサン】 amino acid
Kun reading compounds
- 酸い 【すい】 sour, acid
- 酸葉 【すいば】 sorrel (Rumex acetosa), Common sorrel, garden sorrel, spinach dock
Readings
- Korean:
- san
Spanish
- ácido
- agrio
Portuguese
- ácido
- amargo
- azedo
- picante
French
- acide
- aigre
- amer
- sur (goût)
| 618 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 715 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 689 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1027 | A New Dictionary of Kanji Usage |
| 4789 | Classic Nelson (Andrew Nelson) |
| 819 | Essential Kanji (P.G. O’Neill) |
| 1838 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 516 | Kanji and Kana (Spahn and Hadamitzky) |
| 525 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1420 | Kanji in Context (Nishiguchi and Kono) |
| 1797 | Kodansha Compact Kanji Guide |
| 1968 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1049 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1415 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1449 | Les Kanjis dans la tete (Yves Maniette) |
| 39871 | Morohashi |
| 1563 | New Japanese English Character Dictionary (Jack Halpern) |
| 6177 | New Nelson (John Haig) |
| 1437 | Remembering The Kanji (James Heisig) |
| 1545 | Remembering The Kanji, 6th edition (James Heisig) |
| 791 | Tuttle Kanji Cards (Alexander Kask) |
| 3267 | 2001 Kanji |
| 7e7.2 | The Kanji Dictionary |
| 1-7-7 | SKIP code |
| 1364.7 | Four corner code |
| 1-27-32 | JIS X 0208-1997 kuten code |
| 9178 | Unicode hex code |