| A | B |
| denomination | branches or parts of a religion |
| Pope | head of the Catholic Church |
| Bishop | next in line after the pope |
| Cardinal | next in line after bishops |
| Martin Luther | started the Protestant Reformation |
| Roman Catholic | First church |
| Eastern Orthodox | second official denomination |
| Great Schism | first major division in Christianity |
| Protestant Reformation | second major division in Chrisitanity |
| 95 Thesis | written by Martin Luther |
| Heretic | a believer in something contrary to acceptable doctrine |
| relic | something considered to be holy or special |
| indulgence | remission of punishment due for sin |
| purgatory | place of temporary suffering |
| recant | to withdrawl or renounce |