The word(s) "thereof" appears 166 time(s) in 142 verse(s) in Quran in Muhammad Pickthal translation.

(61) Or some morning the water thereof will be lost in the earth so that thou canst not make search for it.

(62) So they twain set out till, when they were in the ship, he made a hole therein. (Moses) said: Hast thou made a hole therein to drown the folk thereof? Thou verily hast done a dreadful thing.

(63) Say: Though the sea became ink for the Words of my Lord, verily the sea would be used up before the words of my Lord were exhausted, even though We brought the like thereof to help.

(64) He said: The knowledge thereof is with my Lord in a Record. My Lord neither erreth nor forgetteth,

(65) thereof We created you, and thereunto We return you, and thence We bring you forth a second time.

(66) But we surely can produce for thee magic the like thereof; so appoint a tryst between us and you, which neither we nor thou shall fail to keep, at a place convenient (to us both).

(67) (Saying): Eat of the good things wherewith We have provided you, and transgress not in respect thereof lest My wrath come upon you: and he on whom My wrath cometh, he is lost indeed.

(68) Then they twain ate thereof, so that their shame became apparent unto them, and they began to hide by heaping on themselves some of the leaves of the Garden. And Adam disobeyed his Lord, so went astray.

(69) Therefor (O Muhammad), bear with what they say, and celebrate the praise of thy Lord ere the rising of the sun and ere the going down thereof. And glorify Him some hours of the night and at the two ends of the day, that thou mayst find acceptance.

(70) And We made Solomon to understand (the case); and unto each of them We gave judgment and knowledge. And we subdued the hills and the birds to hymn (His) praise along with David. We were the doers (thereof).