The word(s) "reduce" appears 4 time(s) in 4 verse(s) in Quran in Mohsin Khan translation.

(1) "And O my people! Give full measure and weight in justice and reduce not the things that are due to the people, and do not commit mischief in the land, causing corruption.

(سورة هود, Hud, Chapter #11, Verse #85)
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(2) See they not that We gradually reduce the land (of the disbelievers, by giving it to the believers, in war victories) from its outlying borders. And Allah judges, there is none to put back His Judgement and He is Swift at reckoning.

(سورة الرعد, Ar-Ra'd, Chapter #13, Verse #41)
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(3) Nay, We gave the luxuries of this life to these men and their fathers until the period grew long for them. See they not that We gradually reduce the land (in their control) from its outlying borders? Is it then they who will overcome?

(سورة الأنبياء, Al-Anbiyaa, Chapter #21, Verse #44)
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(4) Then We reduced him to the lowest of the low.

(سورة التين, At-Tin, Chapter #95, Verse #5)
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