3 verses have
sign
in Edition Clear Qur'an by Talal Itani / Az-Zukhruf (Ornaments of gold)

43:36Whoever shuns the remembrance of the Most Gracious, We assign for him a devil, to be his companion.

43:47But when he showed them Our signs, they started laughing at them.

43:48Each sign We showed them was more marvelous than its counterpart. And We afflicted them with the plagues, so that they may repent.