The word(s) "sin" appears 346 time(s) in 329 verse(s) in Quran in Abdullah Yusuf Ali translation.

(61) But never did a single one of the signs of their Lord reach them, but they turned away therefrom.

(62) See they not how many of those before them We did destroy?- generations We had established on the earth, in strength such as We have not given to you - for whom We poured out rain from the skies in abundance, and gave (fertile) streams flowing beneath their (feet): yet for their sins We destroyed them, and raised in their wake fresh generations (to succeed them).

(63) When the suffering reached them from us, why then did they not learn humility? On the contrary their hearts became hardened, and Satan made their (sinful) acts seem alluring to them.

(64) But those who reject our signs,- them shall punishment touch, for that they ceased not from transgressing.

(65) Thus do We explain the signs in detail: that the way of the sinners may be shown up.

(66) When he saw the moon rising in splendour, he said: "This is my Lord." But when the moon set, He said: "unless my Lord guide me, I shall surely be among those who go astray."

(67) When he saw the sun rising in splendour, he said: "This is my Lord; this is the greatest (of all)." But when the sun set, he said: "O my people! I am indeed free from your (guilt) of giving partners to Allah.

(68) And this is a Book which We have sent down, bringing blessings, and confirming (the revelations) which came before it: that thou mayest warn the mother of cities and all around her. Those who believe in the Hereafter believe in this (Book), and they are constant in guarding their prayers.

(69) It is He Who hath produced you from a single person: here is a place of sojourn and a place of departure: We detail Our signs for people who understand.

(70) Eschew all sin, open or secret: those who earn sin will get due recompense for their "earnings."