| A | B |
| Vandals | Barbarians |
| Germanic tribes | Migratory |
| Latin Christendom | New civilization |
| Benedict of Nursia | Benedictine Rule |
| St. Patrick | Irish Christianity |
| Pope Gregory the Great | absorbed pagan customs |
| Clovis | first Merovingian king |
| Charles Martel | Mayor of the Palace |
| Donation of Pepin | Papal States |
| Charlemagne | Renovatio imperi romani. |
| Carolingian Renaissance | revival of learning |
| Vikings | pagan and warlike |
| Magyars | "Hungarians" |
| knights | mounted warriors |
| fief | land grant |
| lord | gave land to vassals |
| vassal | received land |
| feudalism | political & military system |
| manorialism | economic system during Middle Ages |
| domain | demesne;land for the lord |
| serf | peasants working the land |
| sacraments | ceremonies of the Church |
| William the Conqueror | Domesday Book |
| Norman Conquest | Battle of Hastings |
| Common Law | Henry II |
| Magna Carta | King John |
| Great Council | British Parliament |
| Parlement of Paris | French Supreme Court |
| Estates General | French legislature |
| Otto the Great | emperor of the Romans |
| Pope Gregory VII | College of Cardinals |
| Concordat of Worms | Emperor Henry V and Church |
| Crusaders | "marked with a cross" |
| Pope Urban II | called for Crusades |
| First Crusade | only succesful one |
| Richard the Lionhearted | Third Crusade |
| Inquisition | Church department to investigate heresey |
| Hanseatic League | Controlled trade in Baltic region |
| Three-field system | more land under cultivation |
| charter of incorporation | cities report directly to king |
| guilds | trade associations |
| chivalry | knights' code of honor |
| courtly love | glorified noble women |
| Eleanor of Aquitaine | wife of Henry II |
| Scholasticism | Thomas Aquinas |
| Curriculum | course of studies |
| liberal arts | helped revive learning |