The word(s) "certainly" appears 476 time(s) in 417 verse(s) in Quran in Muhammad Habib Shakir translation.

(261) And if We had pleased We would certainly have raised a warner in every town.

(262) Said he: If you will take a god besides me, I will most certainly make you one of the imprisoned.

(263) Said he: You believe in him before I give you permission; most surely he is the chief of you who taught you the magic, so you shall know: certainly I will cut off your hands and your feet on opposite sides, and certainly I will crucify you all.

(264) By Allah! we were certainly in manifest error,

(265) They said: If you desist not, O Nuh, you shall most certainly be of those stoned to death.

(266) And you are naught but a mortal like ourselves, and we know you to be certainly of the liars.

(267) And certainly We gave knowledge to Dawood and Sulaiman, and they both said: Praise be to Allah, Who has made us to excel many of His believing servants.

(268) I will most certainly punish him with a severe punishment, or kill him, or he shall bring to me a clear plea.

(269) Go back to them, so we will most certainly come to them with hosts which they shall have no power to oppose, and we will most certainly expel them therefrom in abasement, and they shall be in a state of ignominy.

(270) And certainly We sent to Samood their brother Salih, saying: Serve Allah; and lo! they became two sects quarrelling with each other.