The word(s) "righteousness" appears 81 time(s) in 79 verse(s) in Quran in Abdullah Yusuf Ali translation.

(41) But he who works deeds of righteousness, and has faith, will have no fear of harm nor of any curtailment (of what is his due).

(42) Enjoin prayer on thy people, and be constant therein. We ask thee not to provide sustenance: We provide it for thee. But the (fruit of) the Hereafter is for righteousness.

(43) Whoever works any act of righteousness and has faith,- His endeavour will not be rejected: We shall record it in his favour.

(44) "Those who believe and work righteousness, for them is forgiveness and a sustenance most generous.

(45) O ye messengers! enjoy (all) things good and pure, and work righteousness: for I am well-acquainted with (all) that ye do.

(46) "In order that I may work righteousness in the things I neglected." - "By no means! It is but a word he says."- Before them is a Partition till the Day they are raised up.

(47) Except those who believe, work righteousness, engage much in the remembrance of Allah, and defend themselves only after they are unjustly attacked. And soon will the unjust assailants know what vicissitudes their affairs will take!

(48) So he smiled, amused at her speech; and he said: "O my Lord! so order me that I may be grateful for Thy favours, which thou hast bestowed on me and on my parents, and that I may work the righteousness that will please Thee: And admit me, by Thy Grace, to the ranks of Thy righteous Servants."

(49) And We saved those who believed and practised righteousness.

(50) But any that (in this life) had repented, believed, and worked righteousness, will have hopes to be among those who achieve salvation.