| 余 | yú | extra; surplus; remaining; remainder after division; (following numerical value) or more; in excess of (some number); residue (math.); after; I; me; I (used by emperor)surname Yu |
| 剩余价值 | shèng yú jià zhí | surplus value |
| 余弦 | yú xián | cosine (of angle), written cos θ |
| 有余 | yǒu yú | to have an abundance |
| 余年 | yú nián | one's remaining years |
| 余数 | yú shù | remainder (in division) |
| 余切 | yú qiē | cotangent (of angle), written cot θ or ctg θ |
| 余地 | yú dì | margin; leeway |
| 余额 | yú é | balance (of an account, bill etc); surplus; remainder |
| 余粮 | yú liáng | surplus grain |
| 余下 | yú xià | remaining |
| 余角 | yú jiǎo | complementary angle (additional angle adding to 90 degrees) |
| 不遗余力 | bù yí yú lì | to spare no pains or effort (idiom); to do one's utmost |
| 余音 | yú yīn | lingering sound |
| 结余 | jié yú | balance; cash surplus |
| 盈余 | yíng yú | surplus; profit |
| 余割 | yú gē | cosecant (of angle), written cosec θ or csc θ |
| 余党 | yú dǎng | remnants (of a defeated clique); rump |
| 节余 | jié yú | to save; savings |
| 余姚 | Yú yáo | Yuyao county level city in Ningbo 宁波, Zhejiang |
| 课余 | kè yú | after school; extracurricular |
| 余缺 | yú quē | surplus and shortfall |
| 业余 | yè yú | spare time; amateur; extra-curricular |
| 其余 | qí yú | the rest; the others; remaining; remainder; apart from them |
| 剩余 | shèng yú | remainder; surplus |
| 多余 | duō yú | superfluous; unnecessary; surplus |
| 富余 | fù yu | in surplus |
| 残余 | cán yú | remnant; relic; residue; vestige; surplus; to remain; to leave surplus |
| 七政四余 | qī zhèng sì yú | seven heavenly bodies and four imaginary stars (in astrology and fengshui) |
| 中国剩余定理 | Zhōng guó shèng yú dìng lǐ | the Chinese remainder theorem (math.) |
| 余月 | yú yuè | alternative term for fourth lunar month |
| 余车 | yú chē | emperor's carriage |
| 冗余 | rǒng yú | redundancy; redundant |
| 剩余定理 | shèng yú dìng lǐ | the Remainder Theorem |
| 剩余放射性 | shèng yú fàng shè xìng | residual radioactivity |
| 剩余辐射 | shèng yú fú shè | residual radiation |
| 劫后余生 | jié hòu yú shēng | after the calamity, renewed life (idiom); new lease of life |
| 劫余 | jié yú | remnants after a disaster; aftermath |
| 同余 | tóng yú | congruent (math.); having same residue modulo some number |
| 同余式 | tóng yú shì | congruence (math.); equation for residue modulo some number |
| 同余类 | tóng yú lèi | congruence class (of integers modulo n) |
| 唾余 | tuò yú | crumbs from the table of one's master; castoffs; bits of rubbish; idle talk; casual remarks |
| 回旋余地 | huí xuán yú dì | leeway; latitude; room for freedom of action |
| 大余 | Dà yú | Dayu county in Ganzhou 赣州, Jiangxi |
| 大余县 | Dà yú xiàn | Dayu county in Ganzhou 赣州, Jiangxi |
| 夫余 | Fū yú | Pu'yo, Korean Buyeo (c. 200 BC-494 AD), ancient kingdom in northeast frontier region of China |
| 富富有余 | fù fù yǒu yú | richly provided for; having enough and to spare |
| 宽余 | kuān yú | ample; plentiful; affluent; relaxed; comfortable circumstances |
| 厨余 | chú yú | kitchen waste; food waste (recycling) |
| 心有余悸 | xīn yǒu yú jì | to have lingering fears; trepidation remaining after a trauma (idiom) |
