The word(s) "unlettered" appears 2 time(s) in 2 verse(s) in Quran in Muhammad Pickthal translation.

(1) Among them are unlettered folk who know the Scripture not except from hearsay. They but guess.

(سورة البقرة, Al-Baqara, Chapter #2, Verse #78)
(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) He it is Who hath sent among the unlettered ones a messenger of their own, to recite unto them His revelations and to make them grow, and to teach them the Scripture and wisdom, though heretofore they were indeed in error manifest,

(سورة الجمعة, Al-Jumu'a, Chapter #62, Verse #2)
(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)