| 1 | 乌龟 | 烏龜 | wū guī | wu1 gui1 | tortoise; cuckold | | |
| 2 | 乌云 | 烏雲 | wū yún | wu1 yun2 | black cloud | | |
| 3 | 乌黑 | 烏黑 | wū hēi | wu1 hei1 | jet-black; dark | | |
| 4 | 乌鸦 | 烏鴉 | wū yā | wu1 ya1 | crow; raven | | |
| 5 | 乌鲁木齐 | 烏魯木齊 | wū lǔ mù qí | Wu1 lu3 mu4 qi2 | Ürümqi or Urumqi prefecture level city and capital of Xinjiang Uighur autonomous region 新疆维吾尔自治区 in west China | | |
| 6 | 乌 | 烏 | wū | wu1 | crow; black; abbr. for Ukraine 乌克兰 ; surname Wu | | |
| 7 | 乌咖哩 | 烏咖哩 | wū gā lí | wu1 ga1 li2 | ugali; nshima | | |
| 8 | 乌东德 | 烏東德 | wū dōng dé | Wu1 dong1 de2 | Wudongde, the name of a hydroelectric dam on the Jinsha River 金沙江 at a point where the river forms a border between Yunnan and Sichuan | | |
| 9 | 乌涂 | 烏塗 | wū tu | wu1 tu5 | unclear; not straightforward; (of drinking water) lukewarm; tepid | | |
| 10 | 乌尔 | 烏爾 | wū ěr | Wu1 er3 | Ur (Sumerian city c. 4500 BC in modern Iraq) | | |
| 11 | 乌骨鸡 | 烏骨雞 | wū gǔ jī | wu1 gu3 ji1 | black-boned chicken; silky fowl; silkie; Gallus gallus domesticus Brisson | | |
| 12 | 乌干达 | 烏干達 | wū gān dá | Wu1 gan1 da2 | Uganda | | |
| 13 | 乌尔姆 | 烏爾姆 | wū ěr mǔ | Wu1 er3 mu3 | Ulm (city in Germany) | | |
| 14 | 乌尔禾区 | 烏爾禾區 | wū ěr hé qū | Wu1 er3 he2 Qu1 | Orku District of Karamay City 克拉玛依市 , Xinjiang | | |
| 15 | 乌尔禾 | 烏爾禾 | wū ěr hé | Wu1 er3 he2 | Orku District of Karamay City 克拉玛依市 , Xinjiang | | |
| 16 | 乌嘴柳莺 | 烏嘴柳鶯 | wū zuǐ liǔ yīng | wu1 zui3 liu3 ying1 | (bird species of China) large-billed leaf warbler (Phylloscopus magnirostris) | | |
| 17 | 乌尔都语 | 烏爾都語 | wū ěr dū yǔ | Wu1 er3 du1 yu3 | Urdu (language) | | |
| 18 | 乌冬面 | 烏冬面 | wū dōng miàn | wu1 dong1 mian4 | udon noodles; udon noodles | | |
| 19 | 乌鸫 | 烏鶇 | wū dōng | wu1 dong1 | (bird species of China) common blackbird (Turdus merula) | | |
| 20 | 乌雕 | 烏鵰 | wū diāo | wu1 diao1 | (bird species of China) greater spotted eagle (Aquila clanga) | | |
| 21 | 乌德勒支 | 烏德勒支 | wū dé lè zhī | wu1 de2 le4 zhi1 | Utrecht | | |
| 22 | 乌当 | 烏當 | wū dāng | Wu1 dang1 | Wudang district of Guiyang city 贵阳市 , Guizhou | | |
| 23 | 乌达区 | 烏達區 | wū dá qū | Wu1 da2 Qu1 | Ud raion or Wuda District of Wuhait City 乌海市 , Inner Mongolia | | |
| 24 | 乌达 | 烏達 | wū dá | Wu1 da2 | Ud raion or Wuda District of Wuhait City 乌海市 , Inner Mongolia | | |
| 25 | 乌鲳 | 烏鯧 | wū chāng | wu1 chang1 | black pomfret | | |