| 1 | 空 | 空 | kòng | kong4 | to empty; vacant; unoccupied; space; leisure; free time | | |
| 2 | 空白 | 空白 | kòng bái | kong4 bai2 | blank space | | |
| 3 | 空隙 | 空隙 | kòng xì | kong4 xi4 | crack; gap between two objects; gap in time between two events | | |
| 4 | 空地 | 空地 | kòng dì | kong4 di4 | vacant land; open space | | |
| 5 | 空白支票 | 空白支票 | kòng bái zhī piào | kong4 bai2 zhi1 piao4 | blank check | | |
| 6 | 空格键 | 空格鍵 | kòng gé jiàn | kong4 ge2 jian4 | space bar (keyboard) | | |
| 7 | 空白点 | 空白點 | kòng bái diǎn | kong4 bai2 dian3 | gap; empty space | | |
| 8 | 空壳 | 空殼 | kòng qiào | kong4 qiao4 | Empty shell | | |
| 9 | 空气质量 | 空氣質量 | kòng qì zhì liáng | kong4 qi4 zhi4 liang2 | Air quality | | |
| 10 | 空气清新 | 空氣清新 | kòng qì qīng xīn | kong4 qi4 qing1 xin1 | The air is fresh | | |
| 11 | 空子 | 空子 | kòng zi | kong4 zi5 | gap; unoccupied space or time; fig. gap; loophole | | |
| 12 | 空论 | 空論 | kòng lùn | kong4 lun4 | empty talk | | |
| 13 | 空匮 | 空匱 | kòng kuì | kong4 kui4 | scarce; poor | | |
| 14 | 空间科学 | 空間科學 | kòng jiān kē xué | kong4 jian1 ke1 xue2 | Space science; Space science | | |
| 15 | 空间结构 | 空間結構 | kòng jiān jiē gòu | kong4 jian1 jie1 gou4 | Spatial structure | | |
| 16 | 空欢喜 | 空歡喜 | kòng huān xǐ | kong4 huan1 xi3 | Empty joy remains | | |
| 17 | 空耗 | 空耗 | kòng hào | kong4 hao4 | Waste | | |
| 18 | 空格 | 空格 | kòng gé | kong4 ge2 | blank; blank space on a form; space; 囗 (indicating missing or illegible character) | | |
| 19 | 空服 | 空服 | kòng fú | kong4 fu2 | Empty clothing | | |
| 20 | 空放 | 空放 | kòng fàng | kong4 fang4 | Empty air | | |
| 21 | 空房子 | 空房子 | kòng fáng zǐ | kong4 fang2 zi3 | Empty houses | | |
| 22 | 空房 | 空房 | kòng fáng | kong4 fang2 | Vacant room | | |
| 23 | 空额 | 空額 | kòng é | kong4 e2 | vacancy; unfilled work place | | |
| 24 | 空地导弹 | 空地導彈 | kòng dì dǎo dàn | kong4 di4 dao3 dan4 | air-to-surface missile | | |
| 25 | 空荡 | 空蕩 | kòng dàng | kong4 dang4 | gap (between two objects); interval of time (between events); opening in one's schedule; free time; (fig.) gap (in the market etc); ; Empty | | |