1, with different meanings: The European Cup, also known as the UEFA Cup, is the third-level club European competition after the UEFA Cup and the Champions League. And Europa is the UEFA European League, also known as the Europa League, the European League and the Europa Cup. This is the annual competition organized by UEFA.
2. Different competition system: The competition system of the European Cup is relatively simple, which is divided into two stages: group stage and knockout stage. The competition system of the Europa League is complicated, including group competition, elimination competition and play-offs.