| 空洞 | kōng dòng | cavity / empty / vacuous |   |
| 窟窿 | kū long | hole / pocket / cavity / loophole / debt | |
| 空腔 | kōng qiāng | cavity | |
| 孔穴 | kǒng xué | aperture / hole / cavity | |
| 腔 |  qiāng | (bound form) cavity / tune / accent (in one's speech) / (old) (classifier for carcasses of slaughtered livestock) | |
| 穴 | xué | cave / cavity / hole / acupuncture point / Taiwan pr. [xue4] | |
| 窦 | dòu | (literary) hole / aperture / (anatomy) cavity / sinus | |
| 窿 | lóng | cavity / hole | |
| 坳 | ào | depression / cavity / hollow / Taiwan pr. [ao1] | |
| 窾 | kuǎn | crack / hollow / cavity / to excavate or hollow out / (onom.) water hitting rock / (old) variant of 款[kuan3] | |
| 凹洞 | āo dòng | cavity / pit | |
| 口腔 | kǒu qiāng | oral cavity | |
| 胸腔 | xiōng qiāng | thoracic cavity | |
| 鼻腔 | bí qiāng | nasal cavity | |
| 腹腔 | fù qiāng | abdominal cavity | |
| 盆腔 | pén qiāng | the pelvic cavity / birth canal | |
| 胸膜 | xiōng mó | pleural cavity (part of thorax containing lungs) | |
| 体腔 | tǐ qiāng | body cavity / coelom (biology) | |
| 口腔炎 | kǒu qiāng yán | stomatitis / ulceration of oral cavity / inflammation of the mucous lining of the mouth | |
| 咽鼓管 | yān gǔ guǎn | Eustachian tube (linking the pharynx 咽[yan1] to the tympanic cavity 鼓室[gu3 shi4] of the middle ear) / auditory tube | |
| 鼓室 | gǔ shì | tympanic cavity (of the middle ear) | |
| 磁控管 | cí kòng guǎn | cavity magnetron (used to produce microwaves) | |
| 脘 | guǎn | internal cavity of stomach | |
| 脘 | wǎn | internal cavity of stomach | |
| 脥 | qiǎn | pelvic cavity / lower abdomen | |
| 泄殖腔 | xiè zhí qiāng | (zoology) cloaca / cloacal cavity | |
| 小气腔 | xiǎo qì qiāng | small air cavity | |
| 空心墙 | kōng xīn qiáng | cavity wall / hollow wall | |
| 腔壁 | qiāng bì | cavity wall | |
| 腔子 | qiāng zi | thoracic cavity / intonation / accent | |
| 血胸 | xuè xiōng | blood in the pleural cavity | |
| 关节腔 | guān jié qiāng | articular cavity / joint cavity | |
| 骨髓腔 | gǔ suǐ qiāng | (anatomy) medullary cavity / marrow cavity of a bone | |
| 空腔解耦 | | cavity decoupling | |
| 引信室 | yǐn xìn shì | fuse cavity / fuse well | |
| 𣍰 | qiǎn | pelvic cavity / lower abdomen | |
| 上焦 | shàng jiāo | (TCM) upper burner, the part of the body within the thoracic cavity (above the diaphragm, including the heart and lungs) | |
| 下焦 | xià jiāo | (TCM) lower burner, the part of the body within the pelvic cavity (below the navel, including the kidneys, bladder and intestines) | |
| 中焦 | zhōng jiāo | (TCM) middle burner, the part of the body within the abdominal cavity (between the diaphragm and the navel, including the spleen and stomach) | |
