氏

shì

1. (bound form) family name; surname (as in 王氏[Wang2 shi4] "the Wang clan")
2. (bound form) maiden name; née (as in 李王氏[Li3 Wang2 shi4] "Mrs. Li, née Wang")
3. (bound form) honorific suffix added to the surname or full name of a notable person, esp. historical or scholarly figures

zhī

1. used in 月氏[Yue4 zhi1]
2. used in 閼氏|阏氏[yan1 zhi1]