The word(s) "by" appears 593 time(s) in 514 verse(s) in Quran in Abdullah Yusuf Ali translation.

(331) Then We have given the Book for inheritance to such of Our Servants as We have chosen: but there are among them some who wrong their own souls; some who follow a middle course; and some who are, by Allah's leave, foremost in good deeds; that is the highest Grace.

(332) They swore their strongest oaths by Allah that if a warner came to them, they would follow his guidance better than any (other) of the Peoples: But when a warner came to them, it has only increased their flight (from righteousness),-

(333) Do they not travel through the earth, and see what was the End of those before them,- though they were superior to them in strength? Nor is Allah to be frustrated by anything whatever in the heavens or on earth: for He is All-Knowing. All-Powerful.

(334) by the Qur'an, full of Wisdom,-

(335) It is a Revelation sent down by (Him), the Exalted in Might, Most Merciful.

(336) Set forth to them, by way of a parable, the (story of) the Companions of the City. Behold!, there came messengers to it.

(337) The (people) said: "for us, we augur an evil omen from you: if ye desist not, we will certainly stone you. And a grievous punishment indeed will be inflicted on you by us."

(338) Except by way of Mercy from Us, and by way of (world) convenience (to serve them) for a time.

(339) No (chance) will they then have, by will, to dispose (of their affairs), nor to return to their own people!

(340) by those who range themselves in ranks,