Answer: ownup

AnswerCrossword Clue
OWNUPConfess frankly: Colloq.
OWNUPAcknowledge to be true (with "to")
OWNUPMake a full confession
OWNUPConfess to
OWNUPAdmit wrongdoing
OWNUPAdmit to
OWNUPConfess (to).
OWNUPConfess: Colloq.
OWNUPAdmit frankly.
OWNUPAdmit.
OWNUPConfess frankly.
OWNUPMake a clean breast of.
OWNUPConfess.
OWNUPConfess
OWNUPAcknowledge to be true, with "to"
OWNUPConfess (to)
OWNUPAdmit, with "to"
OWNUPCop (to)
OWNUPTell the truth
OWNUPCome clean
OWNUPTake the blame
OWNUPAccept responsibility
OWNUPAdmit it
OWNUPSing, perhaps
OWNUPAdmit
OWNUPAdmit (to)