Sije (shi-jie) - is the Chinese word for "teacher senior sister."
Sihing (shi-xiong) - is the Chinese word for "teacher senior brother."
Simu (shi-mu) - means "teacher mother;" she is your Sifu's wife.
Sifu (shi-fu) - the Chinese word for your own martial arts instructor, means "teacher, father."
Sigung (shi-gong) - is your Sifu's teacher; it literally means "teacher grandfather."
Sijo (shi-zong) - which is Josi flipped backwards. It refers to the founder of a specific system. Great-grandfather or your teacher's teacher's teacher.
Josi (zong-shi) - is a great teacher of a particular martial style; literally means "ancestral teacher."