| A | B |
| Reformation | a movement to reform (change) the Catholic Church |
| indulgence | a pardon for sin |
| Justification | an act of God freeing one of guilt for sin |
| Protestants | Christians who broke away from the Roman Catholic Church |
| Sacraments | practices and rituals of Catholicism |
| Simony | selling positions of authority in the church |
| Heresy | a practice or belief that is incompatible with the Church teachings |
| Excommunication | formally expel from the Church |
| Schism | a split within an organization |
| Peace of Augsburg | a document that allowed Lutherans to practice their religion |
| Lutheranism | the first Protestant Church |