The word(s) "believed" appears 189 time(s) in 171 verse(s) in Quran in Mohsin Khan translation.

(101) We narrate unto you (O Muhammad صلى الله عليه وسلم) their story with truth: Truly they were young men who believed in their Lord (Allah), and We increased them in guidance.

(102) Verily as for those who believed and did righteous deeds, certainly We shall not make the reward of anyone who does his (righteous) deeds in the most perfect manner to be lost.

(103) Do then those who disbelieved think that they can take My slaves [i.e., the angels, Allah's Messengers, 'Îsa (Jesus), son of Maryam (Mary)] as Auliya' (lords, gods, protectors) besides Me? Verily, We have prepared Hell as an entertainment for the disbelievers (in the Oneness of Allah - Islamic Monotheism) .

(104) "That shall be their recompense, Hell; because they disbelieved and took My Ayat (proofs, evidence, verses, lessons, signs, revelations, etc.) and My Messengers by way of jest and mockery.

(105) Have you seen him who disbelieved in Our Ayat (this Qur'an and Muhammad صلى الله عليه وسلم) and said: "I shall certainly be given wealth and children [if I will be alive (again)]."

(106) "Verily we have believed in our Lord, that He may forgive us our faults, and the magic to which you did compel us. And Allah is better as regards reward in comparison to your [Fir'aun's (Pharaoh)] reward, and more lasting (as regards punishment in comparison to your punishment)."

(107) And (all) faces shall be humbled before (Allah), Al-Hayyul-Qayyum (the Ever Living, the One Who sustains and protects all that exists). And he who carried (a burden of) wrongdoing (i.e. he who disbelieved in Allah, ascribed partners to Him, and did deeds of His disobedience), will be indeed a complete failure (on that Day).

(108) Not one of the towns (populations), of those which We destroyed, believed before them (though We sent them signs): will they then believe?

(109) And when those who disbelieved (in the Oneness of Allah) see you (O Muhammad صلى الله عليه وسلم), they take you not except for mockery (saying): "Is this the one who talks (badly) about your gods?" While they disbelieve at the mention of the Most Gracious (Allah). [Tafsir Al-Qurtubi].

(110) If only those who disbelieved knew (the time) when they will not be able to ward off the Fire from their faces, nor from their backs, and they will not be helped.