remorsefulness
apologeticness
remorsefully
penitentially
penitently
repentantly
apologetically
apologeticism
regrettableness
remorselessness
agenbite
remorseful
eat humble pie
sorry
apologetic
penitence
repentance
heap coals of fire on someone's head
penance
guilt
guilty conscience
guilt feelings
guilt trip
amende honorable
apologizable
apology
prick
penitent
repentant
repathologize
sorriness
apologian
semiapologetic
apologization
hat in hand
dump core
apologize
sackcloth and ashes
I'm sure
apologetical
unremorseful
complaintiveness
I'm sorry
revengefulness
non-apology
acologic
wrathiness
confessionality
commiseratingly
rebukable