3 verses have
kufra
in Edition English Transliteration / At-Tawba (The Repentance)

9:23Yaaa aiyuhal lazeena aamanoo laa tattakhizooo aabaaa 'akum wa ikhwaanakum awliyaaa'a inis tahabbul kufra 'alal eemaan; wa mai yatawal lahum minkum fa ulaaa'ika humuz zaalimoon

9:97Al A'raabu ashaddu kufranw wa nifaaqanw wa ajdaru allaa ya'lamoo hudooda maaa anzalal laahu 'alaa Rasoolih; wallaahu 'Aleemun Hakeem

9:107Wallazeenat takhazoo masjidan diraaranw wa kufranw wa tafreeqam bainal mu'mineena wa irsaadal liman haarabal laaha wa Rasoolahoo min qabl; wa la yahlifunna in aradnaaa illal husnaa wallaahu yash hadu innahum lakaaziboon