The word(s) "what" appears 845 time(s) in 697 verse(s) in Quran in Mohsin Khan translation.

(491) So let not their speech, then, grieve you (O Muhammad صلى الله عليه وسلم). Verily, We know what they conceal and what they reveal.

(492) (It will be said to the angels): "Assemble those who did wrong, together with their companions (from the devils) and what they used to worship,

(493) "what is the matter with you? Why do you not help one another (as you used to do in the world)?"

(494) And you will be requited nothing except for what you used to do (evil deeds, sins, and Allah's disobedience which you used to do in this world)

(495) Then see what was the end of those who were warned (but heeded not).

(496) When he said to his father and to his people: "what is it that which you worship?

(497) "Then what think you about the Lord of the 'Alamin (mankind, jinn, and all that exists)?"

(498) "what is the matter with you that you speak not?"

(499) "While Allah has created you and what you make!"

(500) And, when he (his son) was old enough to walk with him, he said: "O my son! I have seen in a dream that I am slaughtering you (offering you in sacrifice to Allah). So look what you think!" He said: "O my father! Do that which you are commanded, Insha' Allah (if Allah wills), you shall find me of As-Sabirun (the patient)."