Repent
/ɹɪˈpɛnt/
verb
To feel pain, sorrow, or regret for what one has done or omitted to do; the cause for repenting may be indicated with "of".
To be sorry for sin as morally evil, and to seek forgiveness; to cease to practice sin and to love.
“If you are a true Muslim, you should repent to Allah.”
To feel pain on account of; to remember with sorrow.
Synonyms: afterthink, regret, rue