The word(s) "لِّتُنذِرَ" appears in 6 verse(s) in Quran.

(1) وَهَـٰذَا كِتَابٌ أَنزَلْنَاهُ مُبَارَكٌ مُّصَدِّقُ الَّذِي بَيْنَ يَدَيْهِ وَلِتُنذِرَ أُمَّ الْقُرَىٰ وَمَنْ حَوْلَهَا ۚ وَالَّذِينَ يُؤْمِنُونَ بِالْآخِرَةِ يُؤْمِنُونَ بِهِ ۖ وَهُمْ عَلَىٰ صَلَاتِهِمْ يُحَافِظُونَ

(سورة الأنعام, Al-An'aam, Chapter #6, Verse #92)
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(2) كِتَابٌ أُنزِلَ إِلَيْكَ فَلَا يَكُن فِي صَدْرِكَ حَرَجٌ مِّنْهُ لِتُنذِرَ بِهِ وَذِكْرَىٰ لِلْمُؤْمِنِينَ

(سورة الأعراف, Al-A'raaf, Chapter #7, Verse #2)
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(3) وَمَا كُنتَ بِجَانِبِ الطُّورِ إِذْ نَادَيْنَا وَلَـٰكِن رَّحْمَةً مِّن رَّبِّكَ لِتُنذِرَ قَوْمًا مَّا أَتَاهُم مِّن نَّذِيرٍ مِّن قَبْلِكَ لَعَلَّهُمْ يَتَذَكَّرُونَ

(سورة القصص, Al-Qasas, Chapter #28, Verse #46)
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(4) أَمْ يَقُولُونَ افْتَرَاهُ ۚ بَلْ هُوَ الْحَقُّ مِن رَّبِّكَ لِتُنذِرَ قَوْمًا مَّا أَتَاهُم مِّن نَّذِيرٍ مِّن قَبْلِكَ لَعَلَّهُمْ يَهْتَدُونَ

(سورة السجدة, As-Sajda, Chapter #32, Verse #3)
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(5) لِتُنذِرَ قَوْمًا مَّا أُنذِرَ آبَاؤُهُمْ فَهُمْ غَافِلُونَ

(سورة يس, Yaseen, Chapter #36, Verse #6)
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(6) وَكَذَ‌ٰلِكَ أَوْحَيْنَا إِلَيْكَ قُرْآنًا عَرَبِيًّا لِّتُنذِرَ أُمَّ الْقُرَىٰ وَمَنْ حَوْلَهَا وَتُنذِرَ يَوْمَ الْجَمْعِ لَا رَيْبَ فِيهِ ۚ فَرِيقٌ فِي الْجَنَّةِ وَفَرِيقٌ فِي السَّعِيرِ

(سورة الشورى, Ash-Shura, Chapter #42, Verse #7)
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