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

41:10Wa ja'ala feehaa rawaa siya min fawqihaa wa baaraka feehaa wa qaddara feehaaaa aqwaatahaa feee arba'ati ayyaamin sawaaa'al lissaaa'ileen

41:16Fa arsalnaa 'alaihim reehan sarsaran feee ayyaamin nahisaatil linuzeeqahum 'azaabal khizyi fil hayaatid dunyaa wa la'azaabul Aakhirati akhzaa wa hum laa yunsaroon