The word(s) "eight" appears 33 time(s) in 33 verse(s) in Quran in Muhammad Pickthal translation.

(21) He said: Lo! I fain would marry thee to one of these two daughters of mine on condition that thou hirest thyself to me for (the term of) eight pilgrimages. Then if thou completest ten it will be of thine own accord, for I would not make it hard for thee. Allah willing, thou wilt find me of the righteous.

(22) O my dear son! Lo! though it be but the weight of a grain of mustard-seed, and though it be in a rock, or in the heavens, or in the earth, Allah will bring it forth. Lo! Allah is Subtile, Aware.

(23) Those who disbelieve say: The Hour will never come unto us. Say: Nay, by my Lord, but it is coming unto you surely. (He is) the Knower of the Unseen. Not an atom's weight, or less than that or greater, escapeth Him in the heavens or in the earth, but it is in a clear Record,

(24) Say (O Muhammad): Call upon those whom ye set up beside Allah! They possess not an atom's weight either in the heavens or in the earth, nor have they any share in either, nor hath He an auxiliary among them.

(25) He created you from one being, then from that (being) He made its mate; and He hath provided for you of cattle eight kinds. He created you in the wombs of your mothers, creation after creation, in a threefold gloom. Such is Allah, your Lord. His is the Sovereignty. There is no Allah save Him. How then are ye turned away?

(26) And those who argue concerning Allah after He hath been acknowledged, their argument hath no weight with their Lord, and wrath is upon them and theirs will be an awful doom.

(27) Which He imposed on them for seven long nights and eight long days so that thou mightest have seen men lying overthrown, as they were hollow trunks of palm-trees.

(28) And the angels will be on the sides thereof, and eight will uphold the Throne of thy Lord that day, above them.

(29) For we shall charge thee with a word of weight.

(30) He raised the height thereof and ordered it;