The word(s) "whitened" appears 3 time(s) in 3 verse(s) in Quran in Muhammad Pickthal translation.

(1) On the Day when (some) faces will be whitened and (some) faces will be blackened; and as for those whose faces have been blackened, it will be said unto them: Disbelieved ye after your (profession of) belief? Then taste the punishment for that ye disbelieved.

(سورة آل عمران, Aal-i-Imraan, Chapter #3, Verse #106)
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(2) And as for those whose faces have been whitened, in the mercy of Allah they dwell for ever.

(سورة آل عمران, Aal-i-Imraan, Chapter #3, Verse #107)
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(3) And he turned away from them and said: Alas, my grief for Joseph! And his eyes were whitened with the sorrow that he was suppressing.

(سورة يوسف, Yusuf, Chapter #12, Verse #84)
(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)