2 verses have
hattaa
in Edition English Transliteration / Fussilat (Explained in detail)

41:20Hattaaa izaa maa jaaa'oohaa shahida 'alaihim samu'uhum wa absaaruhum wa julooduhum bimaa kaanoo ya'maloon

41:53Sanureehim Aayaatinaa fil aafaaqi wa feee anfusihim hattaa yatabaiyana lahum annahul haqq; awa lam yakfi bi Rabbika annahoo 'alaa kulli shai-in Shaheed