Appears 7 times in the Quran. (Root: شرك)
  1. Say: What thing is the weightiest in testimony? Say: Allah is witness between you and me; and this Quran has been revealed to me that with it I may warn you and whomsoever it reaches. Do you really bear witness that there are other gods with Allah? Say: I do not bear witness. Say: He is only one Allah, and surely I am clear of that which you set up (with Him).

  2. Nay, Him you call upon, so He clears away that for which you pray if He pleases and you forget what you set up (with Him).

  3. Say: Allah delivers you from them and from every distress, but again you set up others (with Him).

  4. Then when he saw the sun rising, he said: Is this my Lord? Is this the greatest? So when it set, he said: O my people! surely I am clear of what you set up (with Allah).

  5. And his people disputed with him. He said: Do you dispute with me respecting Allah? And He has guided me indeed; and I do not fear in any way those that you set up with Him, unless my Lord pleases; my Lord comprehends all things in His knowledge; will you not then mind?

  6. We cannot say aught but that some of our gods have smitten you with evil. He said: Surely I call Allah to witness, and do you bear witness too, that I am clear of what you associate (with Allah).

  7. Then shall it be said to them: Where is that which you used to set up