| 458 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 565 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 538 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1356 | A New Dictionary of Kanji Usage |
| 1273 | Classic Nelson (Andrew Nelson) |
| 644 | Essential Kanji (P.G. O’Neill) |
| 457 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1540 | Japanese Names (P.G. O’Neill) |
| 910 | Kanji and Kana (Spahn and Hadamitzky) |
| 932 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 448 | Kanji in Context (Nishiguchi and Kono) |
| 463 | Kodansha Compact Kanji Guide |
| 492 | Kodansha Kanji Dictionary (Jack Halpern) |
| 305 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 370 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1405 | Les Kanjis dans la tete (Yves Maniette) |
| 6987 | Morohashi |
| 410 | New Japanese English Character Dictionary (Jack Halpern) |
| 1296 | New Nelson (John Haig) |
| 1393 | Remembering The Kanji (James Heisig) |
| 1494 | Remembering The Kanji, 6th edition (James Heisig) |
| 551 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in grade 4
JLPT level N2
1388 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 孫 【ソン】 descendant (usu. of a certain generation), lineage, pedigree, grandchild
- 孫悟空 【ソンゴクウ】 Sun Wukong (character in the classic Chinese novel Journey to the West), Monkey King, Son Goku (Dragon Ball)
- 愛孫 【アイソン】 one's beloved grandchild
- 外孫 【ガイソン】 grandchild from a daughter married into another family
Kun reading compounds
- 孫 【まご】 grandchild
- 孫子 【まごこ】 children and grandchildren, posterity, descendants
- 初孫 【ういまご】 first grandchild
- 内孫 【ないそん】 child of one's heir
Readings
- Japanese names:
- ひ
- Korean:
- son
Spanish
- nieto
- descendientes
Portuguese
- neto
- descendentes
French
- petits-enfants
- descendants
| 3541 | 2001 Kanji |
| 2c7.1 | The Kanji Dictionary |
| 1-3-7 | SKIP code |
| 1-2-7 | SKIP code |
| 1249.3 | Four corner code |
| 1-34-25 | JIS X 0208-1997 kuten code |
| 5b6b | Unicode hex code |
Jōyō kanji, taught in junior high
JLPT level N1
1049 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 堅 【ケン】 strength, solidity, firmness, armour, armor
- 堅持 【ケンジ】 holding on to, sticking to
- 中堅 【チュウケン】 nucleus, backbone, mainstay, key figure, medium-level, mid-level, middle-ranking, midsize, main body (of troops), crack troops, select troops, center field, centre field, center fielder, centre fielder, athlete competing in the middle-number match in a team competition, i.e. second in 3-on-3, third in 5-on-5 (kendo, judo, etc.)
- 米利堅 【メリケン】 America, American, fist
Kun reading compounds
- 硬い 【かたい】 hard, solid, tough, stiff, tight, wooden, unpolished (e.g. writing), strong, firm (not viscous or easily moved), safe, steady, honest, steadfast, obstinate, stubborn, bookish, formal, stuffy
- 堅い商売 【かたいしょうばい】 sound business
Readings
- Japanese names:
- きん
- Korean:
- gyeon
Spanish
- duro
- sólido
- firme
- apretado
- estricto
Portuguese
- de confiança
- apertado
- duro
- sólido
- firme
- estrito
French
- tenace
- dur
- strict
- solide
- ferme
- fiable
| 1217 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 914 | A New Dictionary of Kanji Usage |
| 1096 | Classic Nelson (Andrew Nelson) |
| 995 | Essential Kanji (P.G. O’Neill) |
| 1155 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1796 | Japanese Names (P.G. O’Neill) |
| 1289 | Kanji and Kana (Spahn and Hadamitzky) |
| 1363 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1228 | Kanji in Context (Nishiguchi and Kono) |
| 356 | Kodansha Compact Kanji Guide |
| 3502 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1805 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2457 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 861 | Les Kanjis dans la tete (Yves Maniette) |
| 5210 | Morohashi |
| 2823 | New Japanese English Character Dictionary (Jack Halpern) |
| 1038 | New Nelson (John Haig) |
| 853 | Remembering The Kanji (James Heisig) |
| 917 | Remembering The Kanji, 6th edition (James Heisig) |
| 1513 | Tuttle Kanji Cards (Alexander Kask) |
| 3472 | 2001 Kanji |
| 3b9.13 | The Kanji Dictionary |
| 2-9-3 | SKIP code |
| 2-8-3 | SKIP code |
| 7710.4 | Four corner code |
| 1-23-88 | JIS X 0208-1997 kuten code |
| 5805 | Unicode hex code |