The word(s) "believe" appears 1108 time(s) in 903 verse(s) in Quran in Muhammad Habib Shakir translation.

(271) Who is then more unjust than he who forges a lie against Allah or rejects His communications? (As for) those, their portion of the Book shall reach them, until when Our apostles come to them causing them to die, they shall say: Where is that which you used to call upon besides Allah? They would say: They are gone away from us; and they shall bear witness against themselves that they were unbelievers

(272) And (as for) those who believe and do good We do not impose on any soul a duty except to the extent of its ability-- they are the dwellers of the garden; in it they shall abide.

(273) Who hinder (people) from Allah's way and seek to make it crooked, and they are disbelievers in the hereafter.

(274) And the inmates of the fire shall call out to the dwellers of the garden, saying: Pour on us some water or of that which Allah has given you. They shall say: Surely Allah has prohibited them both to the unbelievers.

(275) And certainly We have brought them a Book which We have made clear with knowledge, a guidance and a mercy for a people who believe.

(276) The chiefs of those who disbelieved from among his people said: Most surely we see you in folly, and most surely we think you to be of the liars.

(277) So We delivered him and those with him by mercy from Us, and We cut off the last of those who rejected Our communications and were not believers.

(278) The chief of those who behaved proudly among his people said to those who were considered weak, to those who believed from among them: Do you know that Salih is sent by his Lord? They said: Surely we are believers in what he has been sent with

(279) Those who were haughty said: Surely we are deniers of what you believe in.

(280) And to Madyan (We sent) their brother Shu'aib. He said: O my people! serve Allah, you have no god other than Him; clear proof indeed has come to you from your Lord, therefore give full measure and weight and do not diminish to men their things, and do not make mischief in the land after its reform; this is better for you if you are believers: