사람 person

사랑(을) 하- love

사립 private(-ly established)

사깁대학교 a private university

사모님 1 your wife; somebody else's wife (elegant/honorific)
2 Madam, Mrs; one's teacher's wife (you can use it separately when speaking
to/about your teacher's wife)

사무실 office

사실 fact; in fact

사실은 in fact

사업 business

사위 son-in-law