The word(s) "promise" appears 137 time(s) in 117 verse(s) in Quran in Mohsin Khan translation.

(101) Muhammad (صلى الله عليه وسلم) is the Messenger of Allah. And those who are with him are severe against disbelievers, and merciful among themselves. You see them bowing and falling down prostrate (in prayer), seeking Bounty from Allah and (His) Good Pleasure. The mark of them (i.e. of their Faith) is on their faces (foreheads) from the traces of prostration (during prayers). This is their description in the Taurat (Torah). But their description in the Injeel (Gospel) is like a (sown) seed which sends forth its shoot, then makes it strong, and becomes thick and it stands straight on its stem, delighting the sowers, that He may enrage the disbelievers with them. Allah has promised those among them who believe (i.e. all those who follow Islamic Monotheism, the religion of Prophet Muhammad صلى الله عليه وسلم till the Day of Resurrection) and do righteous good deeds, forgiveness and a mighty reward (i.e. Paradise).

(102) (It will be said): "This is what you were promised - (it is) for those oft-returning (to Allah) in sincere repentance, and those who preserve their covenant with Allah (by obeying Him in all what He has ordered, and worshipping none but Allah Alone, i.e. follow Allah's religion - Islamic Monotheism).

(103) Verily, that which you are promised (i.e. Resurrection in the Hereafter and receiving the reward or punishment of good or bad deeds) is surely true.

(104) And in the heaven is your provision, and that which you are promised.

(105) Then by the Lord of the heaven and the earth, it is the truth (i.e. what has been promised to you), just as it is the truth that you can speak.

(106) Then woe to those who disbelieve (in Allah and His Oneness - Islamic Monotheism) from their Day which they have been promised (for their punishment).

(107) And what is the matter with you that you spend not in the Cause of Allah? And to Allah belongs the heritage of the heavens and the earth. Not equal among you are those who spent and fought before the conquering (of Makkah, with those among you who did so later). Such are higher in degree than those who spent and fought afterwards. But to all Allah has promised the best (reward). And Allah is All-Aware of what you do.

(108) They say: "When will this promise (i.e. the Day of Resurrection) come to pass if you are telling the truth.?"

(109) But when they will see it (the torment on the Day of Resurrection) approaching, the faces of those who disbelieve will change and turn black with sadness and in grief and it will be said (to them): "This is (the promise) which you were calling for!"

(110) They wish that you should compromise (in religion out of courtesy) with them: so they (too) would compromise with you.