| 1 | 交换 | 交換 | jiāo huàn | jiao1 huan4 | to exchange; to swap; to switch (telecom); commutative (math); to commute | | |
| 2 | 换 | 換 | huàn | huan4 | to exchange; to change (clothes etc); to substitute; to switch; to convert (currency) | | |
| 3 | 转换 | 轉換 | zhuǎn huàn | zhuan3 huan4 | to change; to switch; to convert; to transform | | |
| 4 | 变换 | 變換 | biàn huàn | bian4 huan4 | to transform; to convert; to vary; to alternate; a transformation | | |
| 5 | 换句话说 | 換句話說 | huàn jù huà shuō | huan4 ju4 hua4 shuo1 | in other words | | |
| 6 | 更换 | 更換 | gēng huàn | geng1 huan4 | to replace (a worn-out tire etc); to change (one's address etc) | | |
| 7 | 换言之 | 換言之 | huàn yán zhī | huan4 yan2 zhi1 | in other words | | |
| 8 | 换取 | 換取 | huàn qǔ | huan4 qu3 | to obtain (sth) in exchange; to exchange (sth) for (sth else) | | |
| 9 | 置换 | 置換 | zhì huàn | zhi4 huan4 | to permute; permutation (math.); to displace; displacement; to replace; replacement | | |
| 10 | 替换 | 替換 | tì huàn | ti4 huan4 | to exchange; to replace; to substitute for; to switch | | |
| 11 | 等价交换 | 等價交換 | děng jià jiāo huàn | deng3 jia4 jiao1 huan4 | equal-value exchange | | |
| 12 | 换刀 | 換刀 | huàn dāo | huan4 dao1 | tool change (mechanics) | | |
| 13 | 自动换刀装置 | 自動換刀裝置 | zì dòng huàn dāo zhuāng zhì | zi4 dong4 huan4 dao1 zhuang1 zhi4 | automatic tool changer (ATC) | | |
| 14 | 倒换 | 倒換 | dǎo huàn | dao3 huan4 | to take turns; to rotate (responsibility) | | |
| 15 | 代换 | 代換 | dài huàn | dai4 huan4 | to substitute; to replace | | |
| 16 | 串换 | 串換 | chuàn huàn | chuan4 huan4 | to exchange; to change; to swap | | |
| 17 | 阻抗变换器 | 阻抗變換器 | zǔ kàng biàn huàn qì | zu3 kang4 bian4 huan4 qi4 | impedance converter | | |
| 18 | 撤换 | 撤換 | chè huàn | che4 huan4 | to dismiss and replace (sb); to replace (sb or sth) | | |
| 19 | 兑换 | 兌換 | duì huàn | dui4 huan4 | to exchange; to swap; to convert; to exchange | | |
| 20 | 兑换率 | 兌換率 | duì huàn lǜ | dui4 huan4 lu:4 | currency exchange rate | | |
| 21 | 变换设备 | 變換設備 | biàn huàn shè bèi | bian4 huan4 she4 bei4 | converter; conversion device | | |
| 22 | 变换群 | 變換群 | biàn huàn qún | bian4 huan4 qun2 | (math.) transformation group | | |
| 23 | 傅立叶变换 | 傅立葉變換 | fù lì yè biàn huàn | Fu4 li4 ye4 bian4 huan4 | (math.) Fourier transform | | |
| 24 | 改步换玉 | 改步換玉 | gǎi bù huàn yù | gai3 bu4 huan4 yu4 | to adopt different measures according to circumstances (idiom) | | |
| 25 | 改朝换代 | 改朝換代 | gǎi cháo huàn dài | gai3 chao2 huan4 dai4 | to transition to a new dynasty or regime | | |