| yú | I (used by emperor)/variant of 餘|余, surplus |
| yú | extra/surplus/remaining/remainder after division/(following numerical value) or more/in excess of (some number)/residue (math.)/after/I/me/surname Yu |
| 余 | I (used by emperor) variant of 餘|余, surplus |
| 余下 | remaining |
| 余光 | out of the corner of one's eyes |
| 余党 | remnants (of a defeated clique) rump |
| 余兴 | sideshow; divertissement; harlequinade |
| 余函数 | cofunction; complementary function |
| 余切 | cotangent (of angle), written cot θ or ctg θ |
| 余利 | bonus; dividend |
| 余剩 | surplus; remainder |
| 余割 | cosecant (of angle), written cosec θ or csc θ |
| 余力 | residual force |
| 余勇可贾 | lit. spare valor for sale (idiom); fig. after former successes, still ready for more work not resting on one's laurels |
| 余可类推 | the rest may be inferred by analogy |
| 余味 | aftertaste |
| 余响绕梁 | reverberates around the rafters (idiom); fig. sonorous and resounding (esp. of singing voice) |
| 余因子 | cofacter; complementary divisor; cofactor |
| 余地 | margin leeway |
| 余头 | remainder |
| 余姚 | Yuyao county level city in Ningbo 寧波|宁波 |
| 余姚市 | Yuyao county level city in Ningbo 寧波|宁波 |