| 窟 | [ kū ] cave, hole |
| 窟窿 | [ kū long ] hole, pocket, cavity, loophole, debt |
| 窟窿眼 | [ kū long yǎn ] small hole |
| 窟臀 | [ kū tún ] buttocks (dialect) |
| ⇒ 吳哥窟 | [ wú gē kū ] Angkor Wat, temple complex in Cambodia |
| ⇒ 四大石窟 | [ sì dà shí kū ] the four great caves, namely: Longmen Grottoes 龍門石窟|龙门石窟[Long2 men2 Shi2 ku1] at Luoyang, Henan, Yungang Caves 雲岡石窟|云冈石窟[Yun2 gang1 Shi2 ku1] at Datong, Shanxi, Mogao Caves 莫高窟[Mo4 gao1 ku1] at Dunhuang, Gansu, and Mt Maiji Caves 麥積山石窟|麦积山石窟[Mai4 ji1 Shan1 Shi2 ku1] at Tianshui, Gansu |
| ⇒ 敦煌石窟 | [ dūn huáng shí kū ] Dunhuang caves in Gansu, refers to Mogao caves 莫高石窟[Mo4 gao1 shi2 ku1] |
| ⇒ 洞窟 | [ dòng kū ] a cave |
| ⇒ 狡兔三窟 | [ tù sān kū ] lit. a crafty rabbit has three burrows, a sly individual has more than one plan to fall back on (idiom) |
| ⇒ 石窟 | [ shí kū ] rock cave, grotto, cliff caves (often with Buddhist statues) |
| ⇒ 莫高窟 | [ mò gaō kū ] Mogao caves in Dunhuang 敦煌, Gansu |
| ⇒ 貧民窟 | [ pín mín kū ] slum housing |
| ⇒ 銷金窟 | [ jīn kū ] money squandering establishment (e.g. gambling den, brothel etc) |
| ⇒ 雲岡石窟 | [ yún gāng shí kū ] Yungang Caves at Datong 大同, Shanxi 山西 |
| ⇒ 魔窟 | [ mó kū ] lit. nest of devils, place occupied by sinister forces |
| ⇒ 麥積山石窟 | [ maì jī shān shí kū ] Mt Maiji Caves at Tianshui 天水, Gansu |
| ⇒ 龍門石窟 | [ lóng mén shí kū ] Longmen Grottoes at Luoyang 洛陽|洛阳[Luo4 yang2], Henan |
