The word(s) "confirm" appears 26 time(s) in 25 verse(s) in Quran in Abdullah Yusuf Ali translation.

(21) And he who brings the Truth and he who confirms (and supports) it - such are the men who do right.

(22) And before this, was the Book of Moses as a guide and a mercy: And this Book confirms (it) in the Arabic tongue; to admonish the unjust, and as Glad Tidings to those who do right.

(23) They said, "O our people! We have heard a Book revealed after Moses, confirming what came before it: it guides (men) to the Truth and to a Straight Path.

(24) And remember, Jesus, the son of Mary, said: "O Children of Israel! I am the messenger of Allah (sent) to you, confirming the Law (which came) before me, and giving Glad Tidings of a Messenger to come after me, whose name shall be Ahmad." But when he came to them with Clear Signs, they said, "this is evident sorcery!"

(25) When the Prophet disclosed a matter in confidence to one of his consorts, and she then divulged it (to another), and Allah made it known to him, he confirmed part thereof and repudiated a part. Then when he told her thereof, she said, "Who told thee this? "He said, "He told me Who knows and is well-acquainted (with all things)."