The word(s) "wherein" appears 90 time(s) in 90 verse(s) in Quran in Muhammad Pickthal translation.

(31) Tell My bondmen who believe to establish worship and spend of that which We have given them, secretly and publicly, before a day cometh wherein there will be neither traffick nor befriending.

(32) And they used to hew out dwellings from the hills, (wherein they dwelt) secure.

(33) And wherein is beauty for you, when ye bring them home, and when ye take them out to pasture.

(34) Gardens of Eden which they enter, underneath which rivers flow, wherein they have what they will. Thus Allah repayeth those who ward off (evil),

(35) That He may explain unto them that wherein they differ, and that those who disbelieved may know that they were liars.

(36) And We have revealed the Scripture unto thee only that thou mayst explain unto them that wherein they differ, and (as) a guidance and a mercy for a people who believe.

(37) Then eat of all fruits, and follow the ways of thy Lord, made smooth (for thee). There cometh forth from their bellies a drink divers of hues, wherein is healing for mankind. Lo! herein is indeed a portent for people who reflect.

(38) And be not like unto her who unravelleth the thread, after she hath made it strong, to thin filaments, making your oaths a deceit between you because of a nation being more numerous than (another) nation. Allah only trieth you thereby, and He verily will explain to you on the Day of Resurrection that wherein ye differed.

(39) The Sabbath was appointed only for those who differed concerning it, and lo! thy Lord will judge between them on the Day of Resurrection concerning that wherein they used to differ.

(40) wherein they will abide for ever;