| 凹 | [ aō ] depressed, sunken, indented, concave, female (connector etc) |
| 凹 | [ wā ] variant of 窪|洼[wa1], (used in names) |
| 凹入 | [ aō rù ] recessed, concave |
| 凹凸 | [ aō tū ] concave or convex, bumps and holes, uneven (surface), rugged |
| 凹凸不平 | [ aō tū bù píng ] uneven (surface), bumpy (road) |
| 凹凸印刷 | [ aō tū yìn shuā ] embossing, die stamping |
| 凹凸形 | [ aō tū xíng ] crenelated, corrugated |
| 凹凸性 | [ aō tū xìng ] concavity (math.) |
| 凹凸有致 | [ aō tū yoǔ zhì ] curvaceous |
| 凹凸軋花 | [ aō tū yà huā ] embossing |
| 凹坑 | [ aō kēng ] concave depression, crater |
| 凹岸 | [ aō àn ] concave bank |
| 凹度 | [ aō dù ] concavity |
| 凹朴皮 | [ aō pò pí ] bark of tulip tree (TCM), Cortex Liriodendri |
| 凹板 | [ aō bǎn ] variant of 凹版[ao1 ban3] |
| 凹槽 | [ aō caó ] recess, notch, groove, fillister |
| 凹洞 | [ aō dòng ] cavity, pit |
| 凹版 | [ aō bǎn ] intaglio printing plate (or a print made with it) |
| 凹痕 | [ aō hén ] dent, indentation, notch, pitting |
| 凹紋 | [ aō wén ] die (printing, metalwork etc) |
| 凹線 | [ aō xiàn ] groove |
| 凹透鏡 | [ aō toù jìng ] concave lens |
| 凹造型 | [ aō zaò xíng ] (coll.) to strike a pose |
| 凹進 | [ aō jìn ] concave, recessed, dented |
| 凹鏡 | [ aō jìng ] concave mirror |
| 凹陷 | [ aō xiàn ] to cave in, hollow, sunken, depressed |
| 凹雕 | [ aō ] to engrave, to carve into |
| 凹面鏡 | [ aō miàn jìng ] concave mirror |
| ⇒ 中央凹 | [ zhōng yāng aō ] fovea centralis (depression in the macula retina, most sensitive optic region) |
| ⇒ 山凹 | [ shān aō ] col, valley |
| ⇒ 微凹黃檀 | [ weī aō huáng tán ] cocobolo (Dalbergia retusa) |
| ⇒ 胃小凹 | [ weì aō ] (physiology) gastric pits |
| ⇒ 賈平凹 | [ jiǎ píng wā ] Jia Pingwa (1952-), Chinese novelist |