The word(s) "know" appears 814 time(s) in 684 verse(s) in Quran in Mohsin Khan translation.

(511) Glory be to Him Who has created all the pairs of that which the earth produces, as well as of their own (human) kind (male and female), and of that which they know not.

(512) And the sun runs on its fixed course for a term (appointed). That is the Decree of the All-Mighty, the All-knowing.

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

(514) Say: (O Muhammad صلى الله عليه وسلم) "He will give life to them Who created them for the first time! And He is the All-knower of every creation!"

(515) Is not He Who created the heavens and the earth, Able to create the like of them? Yes, indeed! He is the All-knowing Supreme Creator.

(516) For them there will be a known provision (in Paradise),

(517) "Will you call upon Ba'l (a well known idol of his nation whom they used to worship) and forsake the Best of creators,

(518) And they have invented a kinship between Him and the jinn, but the jinn know well that they have indeed to appear (before Him) (i.e. they will be called to account).

(519) And there is not one of us (angels) but has his known place (or position);

(520) But (now that the Qur'an has come) they disbelieve therein (i.e. in the Qur'an and in Prophet Muhammad صلى الله عليه وسلم , and all that he brought, - the Divine Revelation), so they will come to know!