| 1 | 污染 | 污染 | wū rǎn | wu1 ran3 | pollution; contamination; Classifiers: 个 | | |
| 2 | 污水 | 污水 | wū shuǐ | wu1 shui3 | sewage | | |
| 3 | 污染物 | 污染物 | wū rǎn wù | wu1 ran3 wu4 | pollutant | | |
| 4 | 污泥 | 污泥 | wū ní | wu1 ni2 | mud; sludge | | |
| 5 | 污渍 | 污漬 | wū zì | wu1 zi4 | stain | | |
| 6 | 污 | 污 | wū | wu1 | dirty; filthy; foul; corrupt; to smear; to defile; dirt; filth; variant of 污 | | |
| 7 | 污浊 | 污濁 | wū zhuó | wu1 zhuo2 | dirty; muddy; foul (sewer) | | |
| 8 | 污糟 | 污糟 | wū zāo | wu1 zao1 | filthy; unhygienic; squalid; gross | | |
| 9 | 污言秽语 | 污言穢語 | wū yán huì yǔ | wu1 yan2 hui4 yu3 | filthy speech; obscenities | | |
| 10 | 污损 | 污損 | wū sǔn | wu1 sun3 | to contaminate | | |
| 11 | 污水坑 | 污水坑 | wū shuǐ kēng | wu1 shui3 keng1 | cesspit | | |
| 12 | 污水处理厂 | 污水處理廠 | wū shuǐ chǔ lǐ chǎng | wu1 shui3 chu3 li3 chang3 | water treatment plant | | |
| 13 | 污辱 | 污辱 | wū rǔ | wu1 ru3 | to humiliate; to insult; to tarnish; to sully | | |
| 14 | 污染区 | 污染區 | wū rǎn qū | wu1 ran3 qu1 | contaminated area | | |
| 15 | 污七八糟 | 污七八糟 | wū qī bā zāo | wu1 qi1 ba1 zao1 | variant of 乌七八糟 | | |
| 16 | 污名 | 污名 | wū míng | wu1 ming2 | bad reputation; stigma | | |
| 17 | 污衊 | 污衊 | wū miè | wu1 mie4 | to slander; to smear; to tarnish; slander; smear; tarnish; variant of 污蔑 | | |
| 18 | 污吏 | 污吏 | wū lì | wu1 li4 | a corrupt official | | |
| 19 | 污迹 | 污跡 | wū jì | wu1 ji4 | blotch; stain | | |
| 20 | 污秽 | 污穢 | wū huì | wu1 hui4 | nasty; sordid; filthy | | |
| 21 | 污痕 | 污痕 | wū hén | wu1 hen2 | blot | | |
| 22 | 污垢 | 污垢 | wū gòu | wu1 gou4 | filth | | |
| 23 | 污而不染 | 污而不染 | wū ér bù rǎn | wu1 er2 bu4 ran3 | to live in a bad neighborhood, but grow up uncontaminated (idiom) | | |
| 24 | 污点 | 污點 | wū diǎn | wu1 dian3 | stain; taint | | |