4 verses have
Unless
in Edition Clear Qur'an by Talal Itani / Yusuf (Joseph)

12:33He said, “My Lord, prison is more desirable to me than what they call me to. Unless You turn their scheming away from me, I may yield to them, and become one of the ignorant.”

12:66He said, “I will not send him with you, unless you give me a pledge before God that you will bring him back to me, unless you get trapped.” And when they gave him their pledge, he said, “God is witness to what we say.”

12:76So he began with their bags, before his brother's bag. Then he pulled it out of his brother’s bag. Thus We devised a plan for Joseph; he could not have detained his brother under the king’s law, unless God so willed. We elevate by degrees whomever We will; and above every person of knowledge, there is one more learned.

12:106And most of them do not believe in God unless they associate others.