The word(s) "disbelieve" appears 428 time(s) in 384 verse(s) in Quran in Muhammad Pickthal translation.

(291) Who give not the poor-due, and who are disbelievers in the Hereafter.

(292) Say (O Muhammad, unto the idolaters): disbelieve ye verily in Him Who created the earth in two Days, and ascribe ye unto Him rivals? He (and none else) is the Lord of the Worlds.

(293) When their messengers came unto them from before them and behind them, saying: Worship none but Allah! they said: If our Lord had willed, He surely would have sent down angels (unto us), so lo! we are disbelievers in that wherewith ye have been sent.

(294) Those who disbelieve say: Heed not this Qur'an, and drown the hearing of it; haply ye may conquer.

(295) But verily We shall cause those who disbelieve to taste an awful doom, and verily We shall requite them the worst of what they used to do.

(296) And those who disbelieve will say: Our Lord! Show us those who beguiled us of the jinn and humankind. We will place them underneath our feet that they may be among the nethermost.

(297) Lo! those who disbelieve in the Reminder when it cometh unto them (are guilty), for lo! it is an unassailable Scripture.

(298) And if We had appointed it a Lecture in a foreign tongue they would assuredly have said: If only its verses were expounded (so that we might understand)? What! A foreign tongue and an Arab? - Say unto them (O Muhammad): For those who believe it is a guidance and a healing; and as for those who disbelieve, there is a deafness in their ears, and it is blindness for them. Such are called to from afar.

(299) And verily, if We cause him to taste mercy after some hurt that hath touched him, he will say: This is my own; and I deem not that the Hour will ever rise, and if I am brought back to my Lord, I surely shall be better off with Him - But We verily shall tell those who disbelieve (all) that they did, and We verily shall make them taste hard punishment.

(300) And accepteth those who do good works, and giveth increase unto them of His bounty. And as for disbelievers, theirs will be an awful doom.