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

(1) قَالُوا يَا صَالِحُ قَدْ كُنتَ فِينَا مَرْجُوًّا قَبْلَ هَـٰذَا ۖ أَتَنْهَانَا أَن نَّعْبُدَ مَا يَعْبُدُ آبَاؤُنَا وَإِنَّنَا لَفِي شَكٍّ مِّمَّا تَدْعُونَا إِلَيْهِ مُرِيبٍ

(سورة هود, Hud, Chapter #11, Verse #62)
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(2) وَالَّذِينَ جَاءُوا مِن بَعْدِهِمْ يَقُولُونَ رَبَّنَا اغْفِرْ لَنَا وَلِإِخْوَانِنَا الَّذِينَ سَبَقُونَا بِالْإِيمَانِ وَلَا تَجْعَلْ فِي قُلُوبِنَا غِلًّا لِّلَّذِينَ آمَنُوا رَبَّنَا إِنَّكَ رَءُوفٌ رَّحِيمٌ

(سورة الحشر, Al-Hashr, Chapter #59, Verse #10)
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