The word(s) "oppressing" appears 2 time(s) in 2 verse(s) in Quran in Saheeh International translation.

(1) Indeed, Pharaoh exalted himself in the land and made its people into factions, oppressing a sector among them, slaughtering their [newborn] sons and keeping their females alive. Indeed, he was of the corrupters.

(سورة القصص, Al-Qasas, Chapter #28, Verse #4)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)

(2) And the people of Noah before. Indeed, it was they who were [even] more unjust and oppressing.

(سورة النجم, An-Najm, Chapter #53, Verse #52)
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