| A | B |
| Trinity | Three persons in one God |
| Paschal Mystery | Refers to Jesus' passion, death and ressurrection |
| Assumption | Mary being taken up to heaven |
| Disciple | Follower of Jesus |
| Martyrs | Saints who died for their faith |
| St. Elizabeth Ann Seton | First American saint |
| Pentecost Sunday | Holy Spirit coming to the disciples |
| Sacramentals | Objects, actions that help us grow in holiness |
| Incarnation | The mystery when Jesus became man |
| Abraham | Father of God's chosen people |
| Bible | A collection of many books |
| Beatitudes | Eight characteristics of discipleship from Jesus' sermon on the mount |
| Sin | Choosing to offend God |
| Magisterium | Church's office that teaches on matters of faith and morals |
| Mass | Most important act of worship in the church |
| Adoration of the Blessed Sacrament | Devotion to Jesus present in the Eucharist |
| Vocation | A call from God to serve him and others |
| Evangelization | Describes sharing the good news of Jesus |
| Covenant | Promise of love and partnership |
| Catechumenate | Process of preparing people for Christian initiation |
| Nicene Creed | Summary of the Catholic faith |
| Ecumenism | Movement toward unity for all Christians |
| Catholic | Universal |
| Prayer of Petition | Asking God's mercy, forgiveness and assistance |
| Communion of Saints | Union of believers, living and dead |