The word(s) "فنسي" appears in 4 verse(s) in Quran.

(1) الْمُنَافِقُونَ وَالْمُنَافِقَاتُ بَعْضُهُم مِّن بَعْضٍ ۚ يَأْمُرُونَ بِالْمُنكَرِ وَيَنْهَوْنَ عَنِ الْمَعْرُوفِ وَيَقْبِضُونَ أَيْدِيَهُمْ ۚ نَسُوا اللَّهَ فَنَسِيَهُمْ ۗ إِنَّ الْمُنَافِقِينَ هُمُ الْفَاسِقُونَ

(سورة التوبة, At-Tawba, Chapter #9, Verse #67)
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(2) فَأَخْرَجَ لَهُمْ عِجْلًا جَسَدًا لَّهُ خُوَارٌ فَقَالُوا هَـٰذَا إِلَـٰهُكُمْ وَإِلَـٰهُ مُوسَىٰ فَنَسِيَ

(سورة طه, Taa-Haa, Chapter #20, Verse #88)
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(3) وَلَقَدْ عَهِدْنَا إِلَىٰ آدَمَ مِن قَبْلُ فَنَسِيَ وَلَمْ نَجِدْ لَهُ عَزْمًا

(سورة طه, Taa-Haa, Chapter #20, Verse #115)
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(4) قَالَ كَذَ‌ٰلِكَ أَتَتْكَ آيَاتُنَا فَنَسِيتَهَا ۖ وَكَذَ‌ٰلِكَ الْيَوْمَ تُنسَىٰ

(سورة طه, Taa-Haa, Chapter #20, Verse #126)
(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)