نَكُ This word appears 2 times in the Quran. Occurrences قَالُوا۟ لَمۡ نَكُ مِنَ ٱلۡمُصَلِّینَ Al-Muddaththir 74:43 وَلَمۡ نَكُ نُطۡعِمُ ٱلۡمِسۡكِینَ Al-Muddaththir 74:44