| 4946 | Classic Nelson (Andrew Nelson) |
| 4120 | Kodansha Kanji Dictionary (Jack Halpern) |
| 2834 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 41244 | Morohashi |
| 6389 | New Nelson (John Haig) |
Stroke order
On reading compounds
- 閏年 【ウルウドシ】 leap year
- 閏月 【ウルウヅキ】 intercalary month (lunar calendar), leap month
- 正閏 【セイジュン】 normal and leap (years), legitimate and illegitimate dynasties
Kun reading compounds
- 閏 【うるう】 embolism, intercalation
- 閏年 【うるうどし】 leap year
Readings
- Korean:
- ryun
Spanish
Portuguese
French
| 3872 | 2001 Kanji |
| 8e4.4 | The Kanji Dictionary |
| 3-8-4 | SKIP code |
| 7710.4 | Four corner code |
| 1-17-28 | JIS X 0208-1997 kuten code |
| 958f | Unicode hex code |