2 verses have
Ark
in Edition Clear Qur'an by Talal Itani / Al-Ankaboot (The Spider)

29:15But We saved him, together with the company of the Ark, and We made it a sign for all peoples.

29:65When they embark on a vessel, they pray to God, devoting their faith to Him; but once He has delivered them safely to land, they attribute partners to Him.