The word(s) "believed" appears 58 time(s) in 54 verse(s) in Quran in Abdullah Yusuf Ali translation.

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

(32) Then those who have believed and worked righteous deeds, shall be made happy in a Mead of Delight.

(33) We did indeed send, before thee, messengers to their (respective) peoples, and they came to them with Clear Signs: then, to those who transgressed, We meted out Retribution: and it was due from Us to aid those who believed.

(34) And on them did Satan prove true his idea, and they followed him, all but a party that believed.

(35) They will say, "Glory to Thee! our (tie) is with Thee - as Protector - not with them. Nay, but they worshipped the Jinns: most of them believed in them."

(36) And they believed; so We permitted them to enjoy (their life) for a while.

(37) (The answer will be:) "This is because, when Allah was invoked as the Only (object of worship), ye did reject Faith, but when partners were joined to Him, ye believed! the Command is with Allah, Most High, Most Great!"

(38) Then said the man who believed: "O my people! Truly I do fear for you something like the Day (of disaster) of the Confederates (in sin)!-

(39) The man who believed said further: "O my people! Follow me: I will lead you to the Path of Right.

(40) But We delivered those who believed and practised righteousness.