The word(s) "disbelieved" appears 56 time(s) in 53 verse(s) in Quran in Muhammad Pickthal translation.

(11) When Allah saith: O Jesus, son of Mary! Remember My favour unto thee and unto thy mother; how I strengthened thee with the holy Spirit, so that thou spakest unto mankind in the cradle as in maturity; and how I taught thee the Scripture and Wisdom and the Torah and the Gospel; and how thou didst shape of clay as it were the likeness of a bird by My permission, and didst blow upon it and it was a bird by My permission, and thou didst heal him who was born blind and the leper by My permission; and how thou didst raise the dead by My permission; and how I restrained the Children of Israel from (harming) thee when thou camest unto them with clear proofs, and those of them who disbelieved exclaimed: This is naught else than mere magic;

(12) And forsake those who take their religion for a pastime and a jest, and whom the life of the world beguileth. Remind (mankind) hereby lest a soul be destroyed by what it earneth. It hath beside Allah no protecting ally nor intercessor, and though it offer every compensation it will not be accepted from it. Those are they who perish by their own deserts. For them is drink of boiling water and a painful doom, because they disbelieved.

(13) (Their way is) as the way of Pharaoh's folk and those before them; they disbelieved the revelations of Allah, and Allah took them in their sins. Lo! Allah is Strong, severe in punishment.

(14) Then Allah sent His peace of reassurance down upon His messenger and upon the believers, and sent down hosts ye could not see, and punished those who disbelieved. Such is the reward of disbelievers.

(15) And the Jews say: Ezra is the son of Allah, and the Christians say: The Messiah is the son of Allah. That is their saying with their mouths. They imitate the saying of those who disbelieved of old. Allah (Himself) fighteth against them. How perverse are they!

(16) If ye help him not, still Allah helped him when those who disbelieve drove him forth, the second of two; when they two were in the cave, when he said unto his comrade: Grieve not. Lo! Allah is with us. Then Allah caused His peace of reassurance to descend upon him and supported him with hosts ye cannot see, and made the word of those who disbelieved the nethermost, while Allah's Word it was that became the uppermost. Allah is Mighty, Wise.

(17) And naught preventeth that their contributions should be accepted from them save that they have disbelieved in Allah and in His messenger, and they come not to worship save as idlers, and pay not (their contribution) save reluctantly.

(18) Make no excuse. Ye have disbelieved after your (confession of) belief. If We forgive a party of you, a party of you We shall punish because they have been guilty.

(19) Ask forgiveness for them (O Muhammad), or ask not forgiveness for them; though thou ask forgiveness for them seventy times Allah will not forgive them. That is because they disbelieved in Allah and His messenger, and Allah guideth not wrongdoing folk.

(20) And never (O Muhammad) pray for one of them who dieth, nor stand by his grave. Lo! they disbelieved in Allah and His messenger, and they died while they were evil-doers.