4 verses have
reminder
in Edition Clear Qur'an by Talal Itani / Al-Anbiyaa (The Prophets)

21:2No fresh reminder comes to them from their Lord, but they listen to it playfully.

21:48We gave Moses and Aaron the Criterion, and illumination, and a reminder for the righteous.

21:84So We answered him, lifted his suffering, and restored his family to him, and their like with them—a mercy from Us, and a reminder for the worshipers.

21:105We have written in the Psalms, after the Reminder, that the earth will be inherited by My righteous servants.