The word(s) "keep" appears 132 time(s) in 129 verse(s) in Quran in Muhammad Pickthal translation.

(31) Had Allah willed, they had not been idolatrous. We have not set thee as a keeper over them, nor art thou responsible for them.

(32) Marvel ye that there should come unto you a Reminder from your Lord by means of a man among you, that he may warn you, and that ye may keep from evil, and that haply ye may find mercy.

(33) And the answer of his people was only that they said (one to another): Turn them out of your township. They are folk, forsooth, who keep pure.

(34) And Moses said unto his people: Seek help in Allah and endure. Lo! the earth is Allah's. He giveth it for an inheritance to whom He will. And lo! the sequel is for those who keep their duty (unto Him).

(35) Ask them (O Muhammad) of the township that was by the sea, how they did break the Sabbath, how their big fish came unto them visibly upon their Sabbath day and on a day when they did not keep Sabbath came they not unto them. Thus did We try them for that they were evil-livers.

(36) And as for those who make (men) keep the Scripture, and establish worship - lo! We squander not the wages of reformers.

(37) keep to forgiveness (O Muhammad), and enjoin kindness, and turn away from the ignorant.

(38) They ask thee (O Muhammad) of the spoils of war. Say: The spoils of war belong to Allah and the messenger, so keep your duty to Allah, and adjust the matter of your difference, and obey Allah and His messenger, if ye are (true) believers.

(39) O ye who believe! If ye keep your duty to Allah, He will give you discrimination (between right and wrong) and will rid you of your evil thoughts and deeds, and will forgive you. Allah is of Infinite Bounty.

(40) What (plea) have they that Allah should not punish them, when they debar (His servants) from the Inviolable Place of Worship, though they are not its fitting guardians. Its fitting guardians are those only who keep their duty to Allah. But most of them know not.