An informal term for sister

Used informally to refer to a close female friend

बहन

English Usage: My sis is coming over for dinner.

Hindi Usage: मेरी बहन मेरे लिए डिनर पर आ रही है।

A term used to describe a female member of a group or organization (e.g., in sororities)

संगठन की महिला सदस्य

English Usage: All the sorority sis attended the event.

Hindi Usage: सभी सिस्टरों ने कार्यक्रम में भाग लिया।