| heresy | | high ranking official of church, appointed by Pope |
| codification | | study of religious questions |
| icon | | disagreement with the basic teaching of a religion |
| laity | | director of a convent |
| conclave | | to arrange in a systematic form |
| abbott | | head of the church in one of 5 important cities |
| priest | | a subgroup within a larger religious group |
| simony | | people who carry religious messages |
| Hagia Sophia | | church of Holy Wisdom |
| pope | | members of a Catholic order who practice poverty and preach |
| friar | | head of a monastery |
| seminary | | head of a diocese |
| Constantinople | | church officials |
| abbess | | selling of positions in the church (Middle Ages) |
| monasteries | | in charge of daily operations of a local church |
| doctrine | | a statement of policies that are taught |
| missionaries | | established formal rituals of the RC Church (baptism..) |
| bishop | | what cardinals are locked into while electing a pope |
| secular | | the territiorial jurisdiction of the bishop |
| theology | | bishop of Rome, later head of the RC church |
| diocese | | people who wanted icons removed from churches |
| clergy | | not specifically religious |
| schism | | school for educating priests |
| iconoclast | | church members who aren't clergy |
| sect | | formerly Byzantium, now Istanbul |
| convent | | a place where men live together in a spiritual way |
| patriarch | | religious images |
| cardinal | | split or separation of church |
| sacrament | | a place where women live together in a spiritual way |