The word(s) "prayed" appears 4 time(s) in 4 verse(s) in Quran in Muhammad Habib Shakir translation.

(1) And when Musa prayed for drink for his people, We said: Strike the rock with your staff. So there gushed from it twelve springs; each tribe knew its drinking place: Eat and drink of the provisions of Allah and do not act corruptly in the land, making mischief.

(2) And when you are among them and keep up the prayer for them, let a party of them stand up with you, and let them take their arms; then when they have prostrated themselves let them go to your rear, and let another party who have not prayed come forward and pray with you, and let them take their precautions and their arms; (for) those who disbelieve desire that you may be careless of your arms and your luggage, so that they may then turn upon you with a sudden united attack, and there is no blame on you, if you are annoyed with rain or if you are sick, that you lay down your arms, and take your precautions; surely Allah has prepared a disgraceful chastisement for the unbelievers.

(3) They shall have therein what they desire abiding (in it); it is a promise which it is proper to be prayed for from your Lord.

(4) They shall say: We were not of those who prayed;