| 1 | 速度 | 速度 | sù dù | su4 du4 | speed; rate; velocity; (music) tempo; Classifiers: 个 | | |
| 2 | 迅速 | 迅速 | xùn sù | xun4 su4 | rapid; speedy; fast | | |
| 3 | 加速 | 加速 | jiā sù | jia1 su4 | to speed up; to expedite | | |
| 4 | 加速度 | 加速度 | jiā sù dù | jia1 su4 du4 | acceleration | | |
| 5 | 快速 | 快速 | kuài sù | kuai4 su4 | fast; high-speed; rapid | | |
| 6 | 速率 | 速率 | sù lǜ | su4 lu:4 | speed; rate | | |
| 7 | 匀速 | 勻速 | yún sù | yun2 su4 | uniform velocity | | |
| 8 | 速 | 速 | sù | su4 | fast; rapid; quick; velocity | | |
| 9 | 高速 | 高速 | gāo sù | gao1 su4 | high speed | | |
| 10 | 风速 | 風速 | fēng sù | feng1 su4 | wind speed | | |
| 11 | 光速 | 光速 | guāng sù | guang1 su4 | the speed of light | | |
| 12 | 变速 | 變速 | biàn sù | bian4 su4 | to change speed; to shift gear; variable-speed | | |
| 13 | 飞速 | 飛速 | fēi sù | fei1 su4 | flying speed; rapid (growth) | | |
| 14 | 流速 | 流速 | liú sù | liu2 su4 | flow speed; rate of flow | | |
| 15 | 急速 | 急速 | jí sù | ji2 su4 | very fast; at high speed; hurried; at a great speed; rapid (development) | | |
| 16 | 减速 | 減速 | jiǎn sù | jian3 su4 | to reduce speed; to slow down; to take it easy | | |
| 17 | 竞速滑冰 | 競速滑冰 | jìng sù huá bīng | jing4 su4 hua2 bing1 | speed skating (Tw) | | |
| 18 | 速度滑冰 | 速度滑冰 | sù dù huá bīng | su4 du4 hua2 bing1 | speed skating | | |
| 19 | 竞速 | 競速 | jìng sù | jing4 su4 | (sports) to race; racing | | |
| 20 | 超高速 | 超高速 | chāo gāo sù | chao1 gao1 su4 | ultra high speed | | |
| 21 | 差速器 | 差速器 | chā sù qì | cha1 su4 qi4 | differential (gear) | | |
| 22 | 操作速率 | 操作速率 | cāo zuò sù lǜ | cao1 zuo4 su4 lu:4 | operating speed | | |
| 23 | 低速层 | 低速層 | dī sù céng | di1 su4 ceng2 | low velocity zone (seismology); also called asthenosphere 软流层 | | |
| 24 | 兵贵神速 | 兵貴神速 | bīng guì shén sù | bing1 gui4 shen2 su4 | lit. speed is a crucial asset in war (idiom); fig. swift and resolute (in doing sth) | | |
| 25 | 变速箱 | 變速箱 | biàn sù xiāng | bian4 su4 xiang1 | gearbox; transmission | | |