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

18:14And We strengthened their hearts, when they stood up and said, “Our Lord is the Lord of the heavens and the earth; we will not call on any god besides Him, for then we would have spoken an outrage.”

18:51I did not call them to witness the creation of the heavens and the earth, nor their own creation; and I do not take the misleaders for assistants.

18:52On the Day when He will say, “Call on My partners whom you have claimed.” They will call on them, but they will not answer them. And We will place between them a barrier.

18:57Who does greater wrong than he, who, when reminded of his Lord’s revelations, turns away from them, and forgets what his hands have put forward? We have placed coverings over their hearts, lest they understand it, and heaviness in their ears. And if you call them to guidance, they will not be guided, ever.

18:58Your Lord is the Forgiver, Possessor of Mercy. Were He to call them to account for what they have earned, He would have hastened the punishment for them. But they have an appointment from which they will find no escape.

18:60Recall when Moses said to his servant, “I will not give up until I reach the junction of the two rivers, even if it takes me years.”