Answer:

confess

Answer	Crossword Clue
CONFESS	Unburden the soul
CONFESS	Come clean
CONFESS	Cave to police pressure, in a way

CONFESS	Talk about sin, in a way
CONFESS	Stop stonewalling, maybe
CONFESS	Own up
CONFESS	Tell all
CONFESS	Own up to one's sins
CONFESS	Claim openly
CONFESS	Admit (to)
CONFESS	Admit one's mistakes