The word(s) "mortal" appears 4 time(s) in 4 verse(s) in Quran in Abdullah Yusuf Ali translation.

(1) When she heard of their malicious talk, she sent for them and prepared a banquet for them: she gave each of them a knife: and she said (to Joseph), "Come out before them." When they saw him, they did extol him, and (in their amazement) cut their hands: they said, "Allah preserve us! no mortal is this! this is none other than a noble angel!"

(2) "Thou art no more than a mortal like us: then bring us a Sign, if thou tellest the truth!"

(3) "Thou art no more than a mortal like us, and indeed we think thou art a liar!

(4) "This is nothing but the word of a mortal!"