| 窦 | dòu | hole; convex opening; cavity (anatom.); sinus; surname Dou |
| 窦娥冤 | Dòu É yuān | The Injustice to Dou E (popular drama by 关汉卿) |
| 利玛窦 | Lì Mǎ dòu | Matteo Ricci (1552-1610), Jesuit missionary and translator in Ming China |
| 乳突窦 | rǔ tū dòu | mastoid antrum (bones at the back of tympanic chamber) |
| 利马窦 | Lì Mǎ dòu | Matteo Ricci (1552-1610), Jesuit missionary and translator in Ming China; erroneous spelling of 利玛窦 |
| 情窦初开 | qíng dòu chū kāi | first awakening of love (usually of a girl) (idiom) |
| 狗窦 | gǒu dòu | dog hole; gap caused by missing teeth; fig. den of thieves |
| 狗窦大开 | gǒu dòu dà kāi | dog hole wide open (idiom); fig. gap caused by missing teeth (used mockingly) |
| 玛窦 | Mǎ dòu | Matthew; St Matthew the evangelist; less common variant of 马太 (preferred by the Catholic church) |
| 玛窦福音 | Mǎ dòu fú yīn | Gospel according to St Matthew |
| 疑窦 | yí dòu | a doubtful point |
| 窦窖 | dòu jiào | cellar; crypt |
| 窦道 | dòu dào | subterranean passage |
| 筚门闺窦 | bì mén guī dòu | wicker door, hole window (idiom); fig. wretched hovel; living in poverty |
| 荜门圭窦 | bì mén guī dòu | wicker door, hole window (idiom); fig. wretched hovel; living in poverty |
| 闭门塞窦 | bì mén sè dòu | to close doors and block openings (idiom); mounting a strict defense |
| 冯窦伯 | Féng Dòu bó | Feng Doubo or Feng Wu (1672-), calligrapher of the Ming-Qing transition; also called 冯武 |
| 鼻窦 | bí dòu | paranasal sinus |
| 鼻窦炎 | bí dòu yán | sinusitis |