The word(s) "disbeliever" appears 160 time(s) in 151 verse(s) in Quran in Muhammad Pickthal translation.

(121) Lo! those who disbelieve and turn from the way of Allah and then die disbelievers, Allah surely will not pardon them.

(122) And so for him who believeth not in Allah and His messenger - Lo! We have prepared a flame for disbelievers.

(123) These it was who disbelieved and debarred you from the Inviolable Place of Worship, and debarred the offering from reaching its goal. And if it had not been for believing men and believing women, whom ye know not - lest ye should tread them under foot and thus incur guilt for them unknowingly; that Allah might bring into His mercy whom He will - If (the believers and the disbelievers) had been clearly separated We verily had punished those of them who disbelieved with painful punishment.

(124) Muhammad is the messenger of Allah. And those with him are hard against the disbelievers and merciful among themselves. Thou (O Muhammad) seest them bowing and falling prostrate (in worship), seeking bounty from Allah and (His) acceptance. The mark of them is on their foreheads from the traces of prostration. Such is their likeness in the Torah and their likeness in the Gospel - like as sown corn that sendeth forth its shoot and strengtheneth it and riseth firm upon its stalk, delighting the sowers - that He may enrage the disbelievers with (the sight of) them. Allah hath promised, unto such of them as believe and do good works, forgiveness and immense reward.

(125) Nay, but they marvel that a warner of their own hath come unto them; and the disbelievers say: This is a strange thing:

(126) Hastening toward the summoner; the disbelievers say: This is a hard day.

(127) Are your disbelievers better than those, or have ye some immunity in the scriptures?

(128) And he who findeth not (the wherewithal), let him fast for two successive months before they touch one another; and for him who is unable to do so (the penance is) the feeding of sixty needy ones. This, that ye may put trust in Allah and His messenger. Such are the limits (imposed by Allah); and for disbelievers is a painful doom.

(129) Lo! those who oppose Allah and His messenger will be abased even as those before them were abased; and We have sent down clear tokens, and for disbelievers is a shameful doom

(130) O ye who believe! When believing women come unto you as fugitives, examine them. Allah is Best Aware of their faith. Then, if ye know them for true believers, send them not back unto the disbelievers. They are not lawful for them (the disbelievers), nor are they (the disbelievers) lawful for them. And give them (the disbelievers) that which they have spent (upon them). And it is no sin for you to marry such women when ye have given them their dues. And hold not to the ties of disbelieving women; and ask for (the return of) that which ye have spent; and let them (the disbelievers) ask for that which they have spent. That is the judgment of Allah. He judgeth between you. Allah is Knower, Wise.