The word(s) "by" appears 439 time(s) in 392 verse(s) in Quran in Muhammad Pickthal translation.

(301) Have they not seen that Allah, Who created the heavens and the earth and was not wearied by their creation, is Able to give life to the dead? Aye, He verily is Able to do all things.

(302) And on the day when those who disbelieve are exposed to the Fire (they will be asked): Is not this real? They will say: Yea, by our Lord. He will say: Then taste the doom for that ye disbelieved.

(303) Now when ye meet in battle those who disbelieve, then it is smiting of the necks until, when ye have routed them, then making fast of bonds; and afterward either grace or ransom till the war lay down its burdens. That (is the ordinance). And if Allah willed He could have punished them (without you) but (thus it is ordained) that He may try some of you by means of others. And those who are slain in the way of Allah, He rendereth not their actions vain.

(304) And if We would, We could show them unto thee (Muhammad) so that thou shouldst know them surely by their marks. And thou shalt know them by the burden of their talk. And Allah knoweth your deeds.

(305) O ye who believe! Let not a folk deride a folk who may be better than they (are), not let women (deride) women who may be better than they are; neither defame one another, nor insult one another by nicknames. Bad is the name of lewdness after faith. And whoso turneth not in repentance, such are evil-doers.

(306) Qaf. by the Glorious Qur'an,

(307) And We send down from the sky blessed water whereby We give growth unto gardens and the grain of crops,

(308) Were We then worn out by the first creation? Yet they are in doubt about a new creation.

(309) We are Best Aware of what they say, and thou (O Muhammad) art in no wise a compeller over them. But warn by the Qur'an him who feareth My threat.

(310) by those that winnow with a winnowing