Confessionan act of admitting that you have done something wrong or illegal
Definitions:
the act of confessing; acknowledgment; avowal; owning
admission, acknowledgment
Contritefeeling regret for having committed some wrongdoing
Definitions:
feeling or expressing remorse at the recognition that one has done wrong
Repentancethe action of repenting; sincere regret or remorse
Definitions:
the action of repenting; sincere regret or remorse
Penancevoluntary self-punishment inflicted as an outward expression of repentance for having done wrong
Definitions:
punishment undergone as a token of penitence for sin
Absolutionformal release from guilt, obligation, or punishment
Definitions:
the act of absolving; the state of being absolved