The word(s) "which" appears 609 time(s) in 551 verse(s) in Quran in Abdullah Yusuf Ali translation.

(361) He said: "Worship ye that which ye have (yourselves) carved?

(362) And We gave them the Book which helps to make things clear;

(363) These (today) only wait for a single mighty Blast, which (when it comes) will brook no delay.

(364) (Here is) a Book which We have sent down unto thee, full of blessings, that they may mediate on its Signs, and that men of understanding may receive admonition.

(365) He said, "O my Lord! Forgive me, and grant me a kingdom which, (it may be), suits not another after me: for Thou art the Grantor of Bounties (without measure).

(366) "From which ye do turn away!

(367) Say: "O Allah! Creator of the heavens and the earth! Knower of all that is hidden and open! it is Thou that wilt judge between Thy Servants in those matters about which they have differed."

(368) Even if the wrong-doers had all that there is on earth, and as much more, (in vain) would they offer it for ransom from the pain of the Penalty on the Day of Judgment: but something will confront them from Allah, which they could never have counted upon!

(369) For the evils of their Deeds will confront them, and they will be (completely) encircled by that which they used to mock at!

(370) "And grant, our Lord! that they enter the Gardens of Eternity, which Thou hast promised to them, and to the righteous among their fathers, their wives, and their posterity! For Thou art (He), the Exalted in Might, Full of Wisdom.