3 verses have
painful
in Edition Clear Qur'an by Talal Itani / An-Nisaa (The Women)

4:18But repentance is not available for those who commit evils, until when death approaches one of them, he says, “Now I repent,” nor for those who die as disbelievers. These—We have prepared for them a painful torment.

4:138Inform the hypocrites that they will have a painful punishment.

4:161And for their taking usury, although they were forbidden it; and for their consuming people's wealth dishonestly. We have prepared for the faithless among them a painful torment.