The term 'COMPEL TO LEAVE' can be broken down into four crossword solutions: EJECT (5 letters), OBLIGE (6 letters), ENFORCE (7 letters), and FORCE (5 letters). EJECT means to expel or throw out, usually with FORCE. OBLIGE means to require or compel someone to do something. ENFORCE means to make sure that a law or rule is obeyed. Finally, FORCE means to make someone do something against their will. All of these words are related to the idea of compelling someone to leave, either through physical FORCE or by making them feel obligated to do so.