| A | B |
| Absolution | An essential part of the Sacrament of Penance and Reconciliation in which the priest pardons the sins of the person confessing, in the name of God and the Church. |
| Conversion | A change of heart, turning away from sin and toward God. |
| Examination of Conscience | Prayerful reflection on, and assessment of, one’s words, attitudes, and actions in light of the Gospel of Jesus |
| Mortal Sin | An action so contrary to the will of God that it results in a complete separation from God and his grace. |
| Oil of the Sick | Blessed olive oil used in the Sacrament of Anointing of the Sick to anoint the forehead and hands of people who are seriously ill or near death. |
| Reparation | Making amends for something one did wrong that caused harm to another person or led to loss. |
| Repentance (contrition) | An attitude of sorrow for a sin committed and a resolution not to sin again |
| Sin | Any deliberate offense, in thought, word, or deed, against the will of God. |
| Venial Sin | A less serious offense against the will of God that diminishes one’s personal character and weakens but does not rupture one’s relationship with God |
| Extreme Unction | A term previously used for the Sacrament of Anointing |
| Last Rites | A term previously used for the Sacrament of Anointing |
| Metanoia | A Greek term meaning "a change of heart" |
| Reconciliation | coming back together |