| A | B |
| Apostolic | Founded on and faithful to the teachings of Jesus Christ |
| 2nd Vatican Council | Before this event the Mass was celebrated in Latin |
| Peter | Chosen to lead the disciples and proclaim to the world all salvation comes from Christ |
| Holy Spirit | Guides the Church to be faithful to the teachings of Jesus |
| Pope | Leader of the universal catholic church |
| Prayer, teaching of apostles, communal life, breaking of the bread | To what did the followers of Jesus devote themselves |
| Breaking of the bread | First name given to the eucharist |
| Pope John Paul II | 263rd successor of Peter |
| Judaism | Religion of Jesus' early followers |
| Letters | Another name for epistles |
| Luke | The Gospel that tells of Jesus' appearance to disciples on Road to Emmaus |
| Magisterium | Pope and bishops |
| Cleopas and companions | Did not recognize Jesus on the road |
| Acts of the Apostles | An account of the early church |
| Trinitarian | Reflects unity of Holy Trinity |
| Apostles' Creed | Prayer of belief of Church from earliest time |
| Sacramental life of Church | Where Christ is always present |
| Sacrament | Sacred sign and cause of grace |
| Eucharist | Central sacrament of the Church |
| Sacraments and liturgy | Where Jesus Christ is made known |
| Qadosh | Hebrew word for holy |
| Baptism | Begins our journey towards holiness |
| Baptism, Confirmation | May be received only once |
| Paul | Writer of most of the epistles |
| People of God | Another name for Church |
| Unites us to Christ | Sacramental life of Church |
| Infallible | Cannot err in teaching matters of faith and morals |
| Gentiles | Non Jewish Christians in early Church |
| Holy | Living in communion with God |
| Unbroken succession of Ordination | Our bishops and priests can trace their role in the Church back to this |