| 80 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 137 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 124 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 317 | A New Dictionary of Kanji Usage |
| 5403 | Classic Nelson (Andrew Nelson) |
| 286 | Essential Kanji (P.G. O’Neill) |
| 284 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1486 | Japanese Names (P.G. O’Neill) |
| 2.14 | Japanese for Busy People |
| 206 | Kanji and Kana (Spahn and Hadamitzky) |
| 206 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 45 | Kanji in Context (Nishiguchi and Kono) |
| 1940 | Kodansha Compact Kanji Guide |
| 3406 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1754 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2388 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 176 | Les Kanjis dans la tete (Yves Maniette) |
| 48040 | Morohashi |
| 2740 | New Japanese English Character Dictionary (Jack Halpern) |
| 7052 | New Nelson (John Haig) |
| 174 | Remembering The Kanji (James Heisig) |
| 186 | Remembering The Kanji, 6th edition (James Heisig) |
| 204 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in grade 2
JLPT level N4
573 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 黒煙 【コクエン】 black smoke
- 黒衣 【コクイ】 black clothes
- 大黒 【ダイコク】 god of wealth, monk's wife
- 二黒 【ジコク】 second of nine traditional astrological signs (corresponding to Saturn and southwest)
Kun reading compounds
- 黒 【くろ】 black, black stone, guilt, guilty person
- 黒い 【くろい】 black, dark, blackish, sun-tanned (skin), suspicious, criminal, illicit, darkened and dirty, sooty, covered in dirt, evil, wicked, black-hearted, inauspicious, ill-boding, unlucky
- 黒ずむ 【くろずむ】 to blacken, to darken
- 黒い 【くろい】 black, dark, blackish, sun-tanned (skin), suspicious, criminal, illicit, darkened and dirty, sooty, covered in dirt, evil, wicked, black-hearted, inauspicious, ill-boding, unlucky
- 黒色 【くろいろ】 black (colour, color)
Readings
- Korean:
- heug
Spanish
- negro
- maldad
Portuguese
- preto
French
- noir
| 3640 | 2001 Kanji |
| 4d7.2 | The Kanji Dictionary |
| 2-7-4 | SKIP code |
| 6033.1 | Four corner code |
| 1-25-85 | JIS X 0208-1997 kuten code |
| 9ed2 | 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 |
Jōyō kanji, taught in junior high
JLPT level N1
1800 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 塊茎 【カイケイ】 tuber
- 塊鉱 【カイコウ】 lump ore
- 団塊 【ダンカイ】 mass, lump, clod, clump, nodule, baby boom generation (of 1947-1949), babyboomer (born between 1947-1949)
- 山塊 【サンカイ】 mountain mass, massif
Kun reading compounds
- 塊 【かたまり】 lump, mass, bundle, clump, clod, cluster, group, crowd, embodiment (of an idea, quality, feeling etc.), personification
- 塊魂 【かたまりだましい】 Katamari Damacy (2004 video game)
- 一塊 【いっかい】 one lump, one group
- 拝金主義の塊 【はいきんしゅぎのかたまり】 money-worshiper
Readings
- Korean:
- goe
Spanish
- conglomerado
- terrón
- masa
- aglomeración
Portuguese
- grumo
- montículo
- reboco
- coágulo
- massa
French
- motte
- caillot
- masse
| 1065 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1946 | A New Dictionary of Kanji Usage |
| 1122 | Classic Nelson (Andrew Nelson) |
| 1670 | Essential Kanji (P.G. O’Neill) |
| 1161 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1524 | Kanji and Kana (Spahn and Hadamitzky) |
| 1625 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1753 | Kanji in Context (Nishiguchi and Kono) |
| 386 | Kodansha Compact Kanji Guide |
| 775 | Kodansha Kanji Dictionary (Jack Halpern) |
| 457 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 579 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 2043 | Les Kanjis dans la tete (Yves Maniette) |
| 5319 | Morohashi |
| 632 | New Japanese English Character Dictionary (Jack Halpern) |
| 1070 | New Nelson (John Haig) |
| 2024 | Remembering The Kanji (James Heisig) |
| 2180 | Remembering The Kanji, 6th edition (James Heisig) |
| 1613 | Tuttle Kanji Cards (Alexander Kask) |
| 1457 | 2001 Kanji |
| 3b10.2 | The Kanji Dictionary |
| 1-3-10 | SKIP code |
| 4611.3 | Four corner code |
| 1-18-84 | JIS X 0208-1997 kuten code |
| 584a | Unicode hex code |