| 541 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 638 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 609 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 788 | A New Dictionary of Kanji Usage |
| 3683 | Classic Nelson (Andrew Nelson) |
| 637 | Essential Kanji (P.G. O’Neill) |
| 837 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 334 | Japanese Names (P.G. O’Neill) |
| 543 | Kanji and Kana (Spahn and Hadamitzky) |
| 552 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 737 | Kanji in Context (Nishiguchi and Kono) |
| 1576 | Kodansha Compact Kanji Guide |
| 3963 | Kodansha Kanji Dictionary (Jack Halpern) |
| 2040 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2754 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1259 | Les Kanjis dans la tete (Yves Maniette) |
| 28842 | Morohashi |
| 3197 | New Japanese English Character Dictionary (Jack Halpern) |
| 4696 | New Nelson (John Haig) |
| 1251 | Remembering The Kanji (James Heisig) |
| 1340 | Remembering The Kanji, 6th edition (James Heisig) |
| 472 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in grade 4
JLPT level N3
803 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 老 【ロウ】 old age, age, old people, the old, the aged, senior, elder, I, me, my humble self
- 老化 【ロウカ】 ageing, aging, senile deterioration
- 養老 【ヨウロウ】 making provision for the elderly, making provision for one's old age, spending one's old age in comfort, Yōrō era (717.11.17-724.2.4)
- 敬老 【ケイロウ】 respect for the aged
Kun reading compounds
- 老いる 【おいる】 to age, to grow old
- 老ける 【ふける】 to age, to grow old (esp. in appearance), to show marks of age
Readings
- Japanese names:
- えび、 おい、 び
- Korean:
- ro
Spanish
- envejecer
- viejo
- experimentado
- hacerse viejo
Portuguese
- velho
- velhice
- envelhecer
French
- vieillard
- âgé
- vieillir
| 1456 | 2001 Kanji |
| 2k4.5 | The Kanji Dictionary |
| 3-4-2 | SKIP code |
| 4471.1 | Four corner code |
| 1-47-23 | JIS X 0208-1997 kuten code |
| 8001 | Unicode hex code |
Jōyō kanji, taught in grade 2
JLPT level N4
118 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 公 【コウ】 public affair, government matter, the state, the government, the public, duke, prince, Sir, Lord, familiar or derogatory suffix
- 公安 【コウアン】 public safety, public welfare
- 大公 【タイコウ】 archduke
- 乃公 【ダイコウ】 I, me
- 公家 【クゲ】 court noble, nobility, kuge, Imperial Court
- 公廨 【クガイ】 government office
- 夙 【シュク】 outcasts common around the Kyoto region from the Kamakura period to the Edo period
Kun reading compounds
- 公 【おおやけ】 official, governmental, formal, public (use, matter, forum, etc.), common, being public knowledge, being out in the open, exposure to public view
- 公所 【おおやけどころ】 imperial court, government office, imperial land, government land
Readings
- Japanese names:
- あきら、 き、 きみ、 きん、 たか、 ただし、 とも、 ひろ、 まさ
- Korean:
- gong
Spanish
- público
- imparcial
- oficial
Portuguese
- público
- príncipe
- oficial
- governamental
French
- public
- prince
- officiel
- gouvernemental
| 210 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 126 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 277 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 122 | A New Dictionary of Kanji Usage |
| 579 | Classic Nelson (Andrew Nelson) |
| 219 | Essential Kanji (P.G. O’Neill) |
| 341 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 156 | Japanese Names (P.G. O’Neill) |
| 126 | Kanji and Kana (Spahn and Hadamitzky) |
| 126 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 323 | Kanji in Context (Nishiguchi and Kono) |
| 152 | Kodansha Compact Kanji Guide |
| 2468 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1249 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1715 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 792 | Les Kanjis dans la tete (Yves Maniette) |
| 1452 | Morohashi |
| 1974 | New Japanese English Character Dictionary (Jack Halpern) |
| 372 | New Nelson (John Haig) |
| 784 | Remembering The Kanji (James Heisig) |
| 847 | Remembering The Kanji, 6th edition (James Heisig) |
| 212 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 92 | Tuttle Kanji Cards (Alexander Kask) |
| 2071 | 2001 Kanji |
| 2o2.2 | The Kanji Dictionary |
| 2-2-2 | SKIP code |
| 8073.0 | Four corner code |
| 8073.2 | Four corner code |
| 1-24-88 | JIS X 0208-1997 kuten code |
| 516c | Unicode hex code |