妾

臣妾

chén qiè

(literary) I, your servant (self-appellation of a lower-rank female)

侍妾

shì qiè

concubine

妻妾

qī qiè

wives and concubines (of a polygamous man)

妾侍

qiè shì

maids and concubines

姬妾

jī qiè

concubine

宠妾

chǒng qiè

favored concubine

宠妾灭妻

chǒng qiè miè qī

favor the concubine and do away with the wife (idiom)

纳妾

nà qiè

to take a concubine