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

(1) وَيَوْمَ نَبْعَثُ فِي كُلِّ أُمَّةٍ شَهِيدًا عَلَيْهِم مِّنْ أَنفُسِهِمْ ۖ وَجِئْنَا بِكَ شَهِيدًا عَلَىٰ هَـٰؤُلَاءِ ۚ وَنَزَّلْنَا عَلَيْكَ الْكِتَابَ تِبْيَانًا لِّكُلِّ شَيْءٍ وَهُدًى وَرَحْمَةً وَبُشْرَىٰ لِلْمُسْلِمِينَ

(سورة النحل, An-Nahl, Chapter #16, Verse #89)
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(2) وَقُرْآنًا فَرَقْنَاهُ لِتَقْرَأَهُ عَلَى النَّاسِ عَلَىٰ مُكْثٍ وَنَزَّلْنَاهُ تَنزِيلًا

(سورة الإسراء, Al-Israa, Chapter #17, Verse #106)
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(3) يَا بَنِي إِسْرَائِيلَ قَدْ أَنجَيْنَاكُم مِّنْ عَدُوِّكُمْ وَوَاعَدْنَاكُمْ جَانِبَ الطُّورِ الْأَيْمَنَ وَنَزَّلْنَا عَلَيْكُمُ الْمَنَّ وَالسَّلْوَىٰ

(سورة طه, Taa-Haa, Chapter #20, Verse #80)
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(4) وَنَزَّلْنَا مِنَ السَّمَاءِ مَاءً مُّبَارَكًا فَأَنبَتْنَا بِهِ جَنَّاتٍ وَحَبَّ الْحَصِيدِ

(سورة ق, Qaaf, Chapter #50, Verse #9)
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