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

(1) If ye disclose (acts of) charity, even so it is well, but if ye conceal them, and make them reach those (really) in need, that is best for you: It will remove from you some of your (stains of) evil. And Allah is well acquainted with what ye do.

(2) When thy Lord drew forth from the Children of Adam - from their loins - their descendants, and made them testify concerning themselves, (saying): "Am I not your Lord (who cherishes and sustains you)?"- They said: "Yea! We do testify!" (This), lest ye should say on the Day of Judgment: "Of this we were never mindful":

(3) Say: "Who is it that sustains you (in life) from the sky and from the earth? or who is it that has power over hearing and sight? And who is it that brings out the living from the dead and the dead from the living? and who is it that rules and regulates all affairs?" They will soon say, "Allah". Say, "will ye not then show piety (to Him)?"

(4) It is Allah Who sustains the heavens and the earth, lest they cease (to function): and if they should fail, there is none - not one - can sustain them thereafter: Verily He is Most Forbearing, Oft-Forgiving.