| A | B |
| Protestant Reformation | Religious movement of the 16th Century that began as an attempt to reform the Roman Catholic Church and resulted in the creation of Protestant Churches |
| Catholic Reformation | Religious movement in opposition to Protestant Reformation to reform the Catholic church |
| Protestant | Member of a Christian church founded on the principles of the Reformation |
| nepotism | Appointing relatives to positions within the church regardless of ability |
| simony | Selling or buying of a position in a Christian Church |
| indulgences | a pardon releasing a person from punishments due for a sin |
| Babylonian Captivity | All Popes were French and all lived in Avignon |
| Great Schism | A division in the medieval Roman Catholic Church during which rival popes were established in Avignon and in Rome |
| 95 Theses | Written by Martin Luther as propositions for debate on the question of indulgences. |
| Justification by Faith | Christian doctrine that asserts God's pardon for guilty sinners is granted and received through faith alone |
| Predestination | Doctrine that god has decided all things beforehand, including which people will be eternally saved |
| Papacy | The system of church government headed by the pope |
| The Inquisition | A Roman Catholic tribunal for investigating and prosecuting charges of heresy |
| Lutherans | Member of Protestant church founded on the teachings of Martin Luther |
| Peace of Augsburg | 1555 agreement declaring that the religion of each German state would be decided by its ruler |
| Annul | Cancel or put an end to |
| Act of Supremacy | English Act of Parliament that recognized henry VIII as the Supreme Head of the Church of England |
| Anglican | Relating to the Church of England |
| Theocracy | A government in which the ruler is viewed as a divine figure |
| Presbyterians | Member of a Protestant church governed by presbyters (elders) and founded on the teachings of John Knox |
| Anabaptists | A protestant group that believed in baptizing only those persons who were old enogh to decide to be Christian and believed in the separation of church and state |
| Jesuits | Members of the Society of Jesus, a roman catholic religious order founded by Ignatius of Loyola |
| Council of Trent | A meeting of Roman Catholic leaders, called by Pope Paul III to rule on doctrines criticized by the Protestant reformers |