| 科学的交流 | kē xué de jiāo liú | scientific exchange |
| 科学知识 | kē xué zhī shi | scientific knowledge |
| 科学种田 | kē xué zhòng tián | scientific crop planting; scientific farming |
| 科学编辑 | kē xué biān jí | science editor (of a publication) |
| 科学育儿 | kē xué yù ér | scientific parenting |
| 科尼赛克 | Kē ní sài kè | Koenigsegg (car manufacturer) |
| 科布多 | Kē bù duō | Qobto or Kobdo, khanate of outer Mongolia |
| 科幻 | kē huàn | science fiction; abbr. for 科学幻想 |
| 科幻小说 | kē huàn xiǎo shuō | science fiction novel |
| 科幻电影 | kē huàn diàn yǐng | science fiction movie |
| 科恩 | kē ēn | Cohen (US defense secretary) |
| 科托努 | kē tuō nǔ | Cotonou (city in Benin) |
| 科技人员 | kē jì rén yuán | scientific and technical staff |
| 科技大学 | kē jì dà xué | university of science and technology |
| 科技工作者 | kē jì gōng zuò zhě | worker in science and technology |
| 科技惊悚 | kē jì jīng sǒng | techno-thriller (novel); science fiction thriller |
| 科技惊悚小说 | kē jì jīng sǒng xiǎo shuō | techno-thriller novel; science fiction thriller |
| 科摩洛 | Kē mó luò | Comoros |
| 科教 | kē jiào | science education; popular science |
| 科教片 | kē jiào piān | science education film; popular science movie |
| 科教兴国 | kē jiào xīng guó | to invigorate the country through science and education |
| 科斗 | kē dǒu | tadpole; also written 蝌蚪 |
| 科林 | Kē lín | Colin (name) |
| 科林斯 | Kē lín sī | Corinth (city of ancient Greece) |
| 科泽科德 | Kē zé kē dé | old Chinese name for Calicut, town on Arabian sea in Kerala, India; now called 卡利卡特 |
| 科尔多瓦 | Kē ěr duō wǎ | Córdoba, Spain |
| 科尔沁 | Kē ěr qìn | Horqin or Xorchin, famous Mongolian archer; Horqin district or Xorchin raion of Tongliao city 通辽市, Inner Mongolia |
| 科尔沁区 | Kē ěr qìn qū | Horqin district or Xorchin raion of Tongliao city 通辽市, Inner Mongolia |
| 科尔沁右翼中旗 | Kē ěr qìn yòu yì zhōng qí | Horqin right center banner, Mongolian Khorchin Baruun Garyn Dund khoshuu, in Hinggan league 兴安盟, east Inner Mongolia |
| 科尔沁右翼前旗 | Kē ěr qìn yòu yì qián qí | Horqin right front banner, Mongolian Khorchin Baruun Garyn Ömnöd khoshuu, in Hinggan league 兴安盟, east Inner Mongolia |
| 科尔沁左翼中 | Kē ěr qìn zuǒ yì zhōng | Horqin Left Middle banner or Khorchin Züün Garyn Dund khoshuu in Tongliao 通辽, Inner Mongolia |
| 科尔沁左翼中旗 | Kē ěr qìn zuǒ yì zhōng qí | Horqin Left Middle banner or Khorchin Züün Garyn Dund khoshuu in Tongliao 通辽, Inner Mongolia |
| 科尔沁左翼后 | Kē ěr qìn zuǒ yì hòu | Horqin Left Rear banner or Khorchin Züün Garyn Xoit khoshuu in Tongliao 通辽, Inner Mongolia |
| 科尔沁左翼后旗 | Kē ěr qìn zuǒ yì hòu qí | Horqin Left Rear banner or Khorchin Züün Garyn Xoit khoshuu in Tongliao 通辽, Inner Mongolia |
| 科特布斯 | Kē tè bù sī | Cottbus (city in Germany) |
| 科特迪瓦 | Kē tè dí wǎ | Côte d'Ivoire or Ivory Coast in West Africa |
| 科特迪瓦共和国 | Kē tè dí wǎ gòng hé guó | Republic of Cote d'Ivoire |
| 科甲 | kē jiǎ | imperial examinations |
| 科研人员 | kē yán rén yuán | (scientific) researcher |
| 科研小组 | kē yán xiǎo zǔ | a scientific research group |
| 科研样机 | kē yán yàng jī | research prototype |
| 科系 | kē xì | department |
| 科纳克里 | Kē nà kè lǐ | Conakry, capital of Guinea |
| 科索沃 | Kē suǒ wò | Kosovo |
| 科罗娜 | Kē luó nuó | Corona (beer) |
| 科罗恩病 | Kē luó ēn bìng | Krohn's disease |
| 科罗拉多 | Kē luó lā duō | Colorado |
| 科罗拉多大峡谷 | Kē luó lā duō dà xiá gǔ | the Grand Canyon (Colorado) |
| 科罗拉多州 | Kē luó lā duō zhōu | Colorado |
| 科罗纳 | Kē luó nà | Corona; Colonna |
