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

(1) So fight (O Muhammad) in the way of Allah Thou art not taxed (with the responsibility for anyone) except thyself - and urge on the believers. Peradventure Allah will restrain the might of those who disbelieve. Allah is stronger in might and stronger in inflicting punishment.

(سورة النساء, An-Nisaa, Chapter #4, 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)

(2) Or dost thou (Muhammad) ask a fee from them so that they are heavily taxed?

(سورة القلم, Al-Qalam, Chapter #68, Verse #46)
(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)