2 verses have
Yawmin
in Edition English Transliteration / Hud (Hud)

11:3Wa anis taghfiroo Rabbakum summa toobooo ilaihi yumatti'kum mataa'an hasanan ilaaa ajalim musammanw wa yu'ti kulla zee fadlin fadlahoo wa in tawallaw fa inneee akhaafu 'alaikum 'azaaba Yawmin Kabeer

11:26Al laa ta'budooo illal laaha inneee akhaafu 'alaikum 'azaaba Yawmin aleem