remorsefully
remorsefulness
remorseful
sackcloth and ashes
afterthink
prick
remorselessness
apologetically
lamentatory
lamentational
remorselessly
repentingly
apologize
repentantly
penitentially
penitently
apologeticness
apologetic
vengefully
repentant
vindictively
penitent
agenbite
revengefully
apologeticism
lamentably
heap coals of fire on someone's head
regretfully
beat one's breast
Canossa
confessional
attrition
unremorseful
guilt trip
guilty conscience
guilt feelings
impenitent
guilt
unrepentant
inculpate
confessingly
deploration
unremorsefulness
excuse
repentance
eat humble pie
miserere
penance
penitence
sorry