| A | B |
| indulgence | a grant by the Catholic Church that released a person from punishment for sins |
| simony | the buying and selling of spiritual or holy things |
| papacy | the office, or position, of pope as head of the Catholic Church |
| heresy | beliefs that contradict the official teachings of a religion or church; one who holds such beliefs is called a heretic |
| doctrine | the official teachings of a religion or church |
| mystic | a person who is devoted to religion and has spiritual experience |
| denomination | a particular religious grouping within a larger faith; for example, the Lutheran church is a denomination of Christianity |
| New Testament | the second part of the Christian Bible, which includes the Gospels and other writings of the early Christian church |
| Old Testament | the first part of the Christian Bible, corresponding with the Jewish Bible |
| chapel | a room, sometimes inside a larger church, set aside for prayer and worship |