The word(s) "by" appears 450 time(s) in 398 verse(s) in Quran in Muhammad Habib Shakir translation.

(241) And they who do not bear witness to what is false, and when they pass by what is vain, they pass by nobly.

(242) And by breast straitens, and my tongue is not eloquent, therefore send Thou to Haroun (to help me);

(243) He said: by no means, so go you both with Our signs; surely We are with you, hearing;

(244) So they cast down their cords and their rods and said: by Firon's power, we shall most surely be victorious.

(245) And We revealed to Musa, saying: Go away with My servants travelling by night, surely you will be pursued.

(246) He said: by no means; surely my Lord is with me: He will show me a way out.

(247) by Allah! we were certainly in manifest error,

(248) So he smiled, wondering at her word, and said: My Lord! grant me that I should be grateful for Thy favor which Thou hast bestowed on me and on my parents, and that I should do good such as Thou art pleased with, and make me enter, by Thy mercy, into Thy servants, the good ones.

(249) They said: Swear to each other by Allah that we will certainly make a sudden attack on him and his family by night, then we will say to his heir: We did not witness the destruction of his family, and we are most surely truthful.

(250) Nay, He Who created the heavens and the earth, and sent down for you water from the cloud; then We cause to grow thereby beautiful gardens; it is not possible for you that you should make the trees thereof to grow. Is there a god with Allah? Nay! they are people who deviate.