• 妾めかけ

  mistress, kept woman, concubine

• 妾しょう

  mistress, kept woman, concubine

• 妾宅しょうたく

  house in which a mistress is kept

• 妾腹しょうふく

  illegitimate (e.g. born to a mistress)

• 妾出しょうしゅつ

  illegitimate (e.g. born to a mistress)

• 洋妾ようしょう

  Westerner's mistress

• 愛妾あいしょう

  beloved concubine, favourite concubine (e.g. of the shogun)

• 妻妾さいしょう

  one's wife and mistress(es)

• 男妾だんしょう

  male paramour

• 蓄妾ちくしょう

  keeping a mistress (concubine)

• 外妾がいしょう

  foreigner's mistress

• 侍妾じしょう

  concubine, mistress

• 妾奉公めかけぼうこう

  serving as a concubine

• 一盗二婢三妾四妓五妻いっとうにひさんしょうしぎごさい

  (the most thrilling relationships for a man are) another man's wife, a maidservant, a mistress, a prostitute, and finally his own wife

• 妾わらわ

  I, me

• 嬖妾へいしょう

  beloved concubine, favorite mistress