3 verses have
lest
in Edition Clear Qur'an by Talal Itani / Al-A'raaf (The Heights)

7:19And you, Adam, inhabit the Garden, you and your wife, and eat whatever you wish; but do not approach this tree, lest you become sinners.”

7:20But Satan whispered to them, to reveal to them their nakedness, which was invisible to them. He said, “Your Lord has only forbidden you this tree, lest you become angels, or become immortals.”

7:73And to Thamood, their brother Saleh. He said, “O my people! Worship God; you have no god other than Him. Clarification has come to you from your Lord. This she-camel of God is a sign for you. So leave her to graze on God’s earth, and do her no harm, lest a painful penalty seizes you.”