The word(s) "perfectly" appears 2 time(s) in 2 verse(s) in Quran in Saheeh International translation.

(1) O you who have believed, enter into Islam completely [and perfectly] and do not follow the footsteps of Satan. Indeed, he is to you a clear enemy.

(سورة البقرة, Al-Baqara, Chapter #2, Verse #208)
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(2) And he had recited it to them [perfectly], they would [still] not have been believers in it.

(سورة الشعراء, Ash-Shu'araa, Chapter #26, Verse #199)
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