2 verses have
ashaddu
in Edition English Transliteration / At-Tawba (The Repentance)

9:81Farihal mukhallafoona bimaq'adihim khilaafa Rasoolil laahi wa karihooo ai yujaahidoo bi amwaalihim wa anfusihim fee sabeelil laahi wa qaaloo la tanfiroo fil harr; qul Naaru jahannama ashaddu harraa; law kaanoo yafqahoon

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