Confíteor
Confíteor is a Latin phrase meaning "I confess." It is the opening of a Catholic prayer of confession recited during Mass, specifically during the Penitential Act. The prayer acknowledges one's sins and asks for mercy.
The full text of the Confíteor in Latin is "Confíteor Deo omnipotenti, et vobis, fratres, quia peccávi
The prayer is typically recited by the congregation, sometimes accompanied by the priest. It is a communal
The Confíteor is found in the Roman Missal and has been part of Catholic liturgy for centuries.