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

18:7We made what is upon the earth an ornament for it, to test them as to which of them is best in conduct.

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.”

18:26Say, “God knows best how long they stayed.” His is the mystery of the heavens and the earth. By Him you see and hear. They have no guardian apart from Him, and He shares His Sovereignty with no one.

18:45And cite for them the parable of the present life: it is like water that We send down from the sky; the plants of the earth absorb it; but then it becomes debris, scattered by the wind. God has absolute power over everything.

18:47On the Day when We set the mountains in motion; and you see the earth emerging; and We gather them together, and leave none of them behind.

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.

18:84We established him on earth, and gave him all kinds of means.