The word(s) "تَنقُصُ" appears in 2 verse(s) in Quran.

(1) ۞ وَإِلَىٰ مَدْيَنَ أَخَاهُمْ شُعَيْبًا ۚ قَالَ يَا قَوْمِ اعْبُدُوا اللَّهَ مَا لَكُم مِّنْ إِلَـٰهٍ غَيْرُهُ ۖ وَلَا تَنقُصُوا الْمِكْيَالَ وَالْمِيزَانَ ۚ إِنِّي أَرَاكُم بِخَيْرٍ وَإِنِّي أَخَافُ عَلَيْكُمْ عَذَابَ يَوْمٍ مُّحِيطٍ

(سورة هود, Hud, Chapter #11, Verse #84)
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(2) قَدْ عَلِمْنَا مَا تَنقُصُ الْأَرْضُ مِنْهُمْ ۖ وَعِندَنَا كِتَابٌ حَفِيظٌ

(سورة ق, Qaaf, Chapter #50, 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)