The word(s) "righteous" appears 184 time(s) in 178 verse(s) in Quran in Mohsin Khan translation.

(81) "And as for the wall, it belonged to two orphan boys in the town; and there was under it a treasure belonging to them; and their father was a righteous man, and your Lord intended that they should attain their age of full strength and take out their treasure as a mercy from your Lord. And I did them not of my own accord. That is the interpretation of those (things) over which you could not hold patience."

(82) "But as for him who believes (in Allah's Oneness) and works righteousness, he shall have the best reward, (Paradise), and we (Dhul-Qarnain) shall speak unto him mild words (as instructions)."

(83) "Verily those who believe (in the Oneness of Allah - Islamic Monotheism) and do righteous deeds, shall have the Gardens of Al-Firdaus (Paradise) for their entertainment.

(84) Say (O Muhammad صلى الله عليه وسلم): "I am only a man like you. It has been revealed to me that your Ilah (God) is One Ilah (God - i.e. Allah). So whoever hopes for the Meeting with his Lord, let him work righteousness and associate none as a partner in the worship of his Lord."

(85) And (made him) sympathetic to men as a mercy (or a grant) from Us, and pure from sins [i.e. Yahya (John)] and he was righteous,

(86) (The angel) said: "I am only a messenger from your Lord, (to announce) to you the gift of a righteous son."

(87) Except those who repent and believe (in the Oneness of Allah and His Messenger Muhammad صلى الله عليه وسلم), and work righteousness. Such will enter Paradise and they will not be wronged in aught.

(88) And Allah increases in guidance those who walk aright. And the righteous good deeds that last, are better with your Lord, for reward and better for resort.

(89) Verily, those who believe [in the Oneness of Allah and in His Messenger (Muhammad صلى الله عليه وسلم)] and work deeds of righteousness, the Most Gracious (Allah) will bestow love for them (in the hearts of the believers).

(90) But whoever comes to Him (Allah) as a believer (in the Oneness of Allah), and has done righteous good deeds, for such are the high ranks (in the Hereafter), -