| 781 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 870 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 860 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1249 | A New Dictionary of Kanji Usage |
| 773 | Classic Nelson (Andrew Nelson) |
| 865 | Essential Kanji (P.G. O’Neill) |
| 1204 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 541 | Japanese Names (P.G. O’Neill) |
| 542 | Kanji and Kana (Spahn and Hadamitzky) |
| 551 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 738 | Kanji in Context (Nishiguchi and Kono) |
| 459 | Kodansha Compact Kanji Guide |
| 3973 | Kodansha Kanji Dictionary (Jack Halpern) |
| 2044 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2761 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1261 | Les Kanjis dans la tete (Yves Maniette) |
| 6952 | Morohashi |
| 3205 | New Japanese English Character Dictionary (Jack Halpern) |
| 1289 | New Nelson (John Haig) |
| 1253 | Remembering The Kanji (James Heisig) |
| 1342 | Remembering The Kanji, 6th edition (James Heisig) |
| 850 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in grade 6
1030 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 孝 【コウ】 filial piety
- 孝行 【コウコウ】 filial piety, showing devotion (to someone)
- 親不孝 【オヤフコウ】 lack of filial piety, disobedience to one's parents
- 不孝 【フコウ】 undutifulness to one's parents, lack of filial piety, (the crime of) cursing one's parents, disowning one's child
- 孝 【コウ】 filial piety
- 不孝 【フコウ】 undutifulness to one's parents, lack of filial piety, (the crime of) cursing one's parents, disowning one's child
Readings
- Japanese names:
- たか、 たかし、 のり、 よし
- Korean:
- hyo
Spanish
- devoción filial
- deber filial
Portuguese
- piedade filial
- respeito pelas crianças
French
- piété filiale
- respect des anciens
| 1447 | 2001 Kanji |
| 2k4.3 | The Kanji Dictionary |
| 2-4-3 | SKIP code |
| 3-4-3 | SKIP code |
| 4-6-4 | SKIP code |
| 4-7-4 | SKIP code |
| 2-4-2 | SKIP code |
| 3-4-2 | SKIP code |
| 4440.7 | Four corner code |
| 1-25-07 | JIS X 0208-1997 kuten code |
| 5b5d | Unicode hex code |
Jōyō kanji, taught in grade 2
JLPT level N4
1161 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 弟 【オトウト】 younger brother, little brother, kid brother, brother-in-law (spouse's younger brother or younger sister's husband), pupil, apprentice
- 弟子 【デシ】 pupil, disciple, adherent, follower, apprentice, young person, teacher's student-helper
- 実弟 【ジッテイ】 biological younger brother
- 子弟 【シテイ】 children, sons, children and younger brothers, young people
- 親兄弟 【オヤキョウダイ】 parents and siblings, one's relatives
- 姉弟 【シテイ】 older sister and younger brother
- 弟子 【デシ】 pupil, disciple, adherent, follower, apprentice, young person, teacher's student-helper
- 弟子入り 【デシイリ】 becoming a pupil (of), becoming an apprentice
Kun reading compounds
- 弟 【おとうと】 younger brother, little brother, kid brother, brother-in-law (spouse's younger brother or younger sister's husband), pupil, apprentice
- 弟君 【おとうとぎみ】 younger brother
Readings
- Japanese names:
- て
- Korean:
- je
Spanish
- hermano menor
Portuguese
- irmão mais jovem
French
- frère cadet
- apprenti
- disciple
- service déférent aux ainés
| 282 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 194 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 177 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1090 | A New Dictionary of Kanji Usage |
| 584 | Classic Nelson (Andrew Nelson) |
| 446 | Essential Kanji (P.G. O’Neill) |
| 168 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 764 | Japanese Names (P.G. O’Neill) |
| 3.8 | Japanese for Busy People |
| 405 | Kanji and Kana (Spahn and Hadamitzky) |
| 409 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 76 | Kanji in Context (Nishiguchi and Kono) |
| 607 | Kodansha Compact Kanji Guide |
| 2537 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1291 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1759 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1248 | Les Kanjis dans la tete (Yves Maniette) |
| 9737 | Morohashi |
| 2044 | New Japanese English Character Dictionary (Jack Halpern) |
| 1685 | New Nelson (John Haig) |
| 1240 | Remembering The Kanji (James Heisig) |
| 1328 | Remembering The Kanji, 6th edition (James Heisig) |
| 150 | Tuttle Kanji Cards (Alexander Kask) |
| 944 | 2001 Kanji |
| 2o5.1 | The Kanji Dictionary |
| 2-2-5 | SKIP code |
| 4-7-3 | SKIP code |
| 8022.7 | Four corner code |
| 1-36-79 | JIS X 0208-1997 kuten code |
| 5f1f | Unicode hex code |