The word(s) "constancy" appears 16 time(s) in 16 verse(s) in Quran in Abdullah Yusuf Ali translation.

(1) When they advanced to meet Goliath and his forces, they prayed: "Our Lord! Pour out constancy on us and make our steps firm: Help us against those that reject faith."

(2) O ye who believe! Persevere in patience and constancy; vie in such perseverance; strengthen each other; and fear Allah; that ye may prosper.

(3) Rejected were the messengers before thee: with patience and constancy they bore their rejection and their wrongs, until Our aid did reach them: there is none that can alter the words (and decrees) of Allah. Already hast thou received some account of those messengers.

(4) "But thou dost wreak thy vengeance on us simply because we believed in the Signs of our Lord when they reached us! Our Lord! pour out on us patience and constancy, and take our souls unto thee as Muslims (who bow to thy will)!

(5) Said Moses to his people: "Pray for help from Allah, and (wait) in patience and constancy: for the earth is Allah's, to give as a heritage to such of His servants as He pleaseth; and the end is (best) for the righteous.

(6) And We made a people, considered weak (and of no account), inheritors of lands in both east and west, - lands whereon We sent down Our blessings. The fair promise of thy Lord was fulfilled for the Children of Israel, because they had patience and constancy, and We levelled to the ground the great works and fine buildings which Pharaoh and his people erected (with such pride).

(7) Not so do those who show patience and constancy, and work righteousness; for them is forgiveness (of sins) and a great reward.

(8) And (remember) Isma'il, Idris, and Zul-kifl, all (men) of constancy and patience;

(9) "I have rewarded them this Day for their patience and constancy: they are indeed the ones that have achieved Bliss..."

(10) Those are the ones who will be rewarded with the highest place in heaven, because of their patient constancy: therein shall they be met with salutations and peace,