The word(s) "perfect" appears 30 time(s) in 29 verse(s) in Quran in Mohsin Khan translation.

(21) perfect wisdom (this Qur'an), but (the preaching of) warners benefit them not.

(22) Is it you who create it (i.e. make this semen into a perfect human being), or are We the Creator?

(23) And he who finds not (the money for freeing a slave) must fast two successive months before they both touch each other. And he who is unable to do so, should feed sixty Miskins (poor). That is in order that you may have perfect Faith in Allah and His Messenger. These are the limits set by Allah. And for disbelievers, there is a painful torment.

(24) They intend to put out the Light of Allah (i.e. the Religion of Islam, this Qur'an, and the Prophet Muhammad صلى الله عليه وسلم) with their mouths. But Allah will bring His Light to perfection even though the disbelievers hate (it).

(25) O you who believe! Turn to Allah with sincere repentance! It may be that your Lord will expiate from you your sins, and admit you into Gardens under which rivers flow (Paradise) - the Day that Allah will not disgrace the Prophet (Muhammad صلى الله عليه وسلم) and those who believe with him. Their Light will run forward before them and (with their Records - Books of deeds) in their right hands. They will say: "Our Lord! Keep perfect our Light for us [and do not put it off till we cross over the Sirat (a slippery bridge over the Hell) safely] and grant us forgiveness. Verily, You are Able to do all things."

(26) Yes, We are Able to put together in perfect order the tips of his fingers.

(27) He raised its height, and has perfected it.

(28) Who created you, fashioned you perfectly, and gave you due proportion.

(29) By Nafs (Adam or a person or a soul), and Him Who perfected him in proportion;