3 verses have
waste
in Edition Clear Qur'an by Talal Itani / Al-Kahf (The Cave)

18:8And We will turn what is on it into barren waste.

18:30As for those who believe and lead a righteous life—We will not waste the reward of those who work righteousness.

18:40Perhaps my Lord will give me something better than your garden, and release upon it thunderbolts from the sky, so it becomes barren waste.