chị

Etymology
From, from  (B-S) (SV: ). The voicing dissimilarity of the onset is unexplained.

Noun

 * 1) an elder sister
 * 2) a female cousin who's descended from an ancestor who is/was an older sibling to yours or your spouse's
 * 3) a female who's (presumably) slightly older than you or the person you're talking to
 * 1) a female who's (presumably) slightly older than you or the person you're talking to
 * 1) a female who's (presumably) slightly older than you or the person you're talking to

Pronoun

 * 1) I/me, your big sister
 * 2) you, my big sister
 * 3) I/me, your female cousin who's descended from an ancestor who is/was an older sibling to yours or your spouse's
 * 4) you, my female cousin who's descended from an ancestor who is/was an older sibling to mine or my spouse's
 * 5)  I/me, a female who's (presumably) slightly older than you
 * 6)  you, a female who's (presumably) slightly older than me
 * 7) you, a young-adult woman
 * 8)  you, the high schoolgirl reading this textbook
 * 9)  she/her, that admirable/lovable young-adult woman
 * 1)  she/her, that admirable/lovable young-adult woman
 * 1)  she/her, that admirable/lovable young-adult woman
 * 1)  she/her, that admirable/lovable young-adult woman

Usage notes
Textbooks tend to assume grade schoolers and middle schoolers to be young enough to be called, but high schoolers to be old enough to be called and. The "pronoun" choices for high schoolers in these books are strictly binary, and the female is always secondary and shown in parentheses.