The word(s) "decrease" appears 12 time(s) in 9 verse(s) in Quran in Mohsin Khan translation.

(1) Who is he that will lend to Allah a goodly loan so that He may multiply it to him many times? And it is Allah that decreases or increases (your provisions), and unto Him you shall return.

(2) You make the night to enter into the day, and You make the day to enter into the night (i.e. increase and decrease in the hours of the night and the day during winter and summer), You bring the living out of the dead, and You bring the dead out of the living. And You give wealth and sustenance to whom You will, without limit (measure or account).

(3) See you not (O Muhammad صلى الله عليه وسلم) that Allah merges the night into the day (i.e. the decrease in the hours of the night are added to the hours of the day), and merges the day into the night (i.e. the decrease in the hours of day are added to the hours of night), and has subjected the sun and the moon, each running its course for a term appointed; and that Allah is All-Aware of what you do.

(4) He merges the night into the day (i.e. the decrease in the hours of the night is added to the hours of the day), and He merges the day into the night (i.e. the decrease in the hours of the day is added to the hours of the night). And He has subjected the sun and the moon: each runs its course for a term appointed. Such is Allah, your Lord; His is the kingdom. And those, whom you invoke or call upon instead of Him, own not even a Qitmir (the thin membrane over the date-stone).

(5) So be not weak and ask not for peace (from the enemies of Islam) while you are having the upper hand. Allah is with you, and He will never decrease the reward of your good deeds.

(6) The bedouins say: "We believe." Say: "You believe not but you only say, 'We have surrendered (in Islam),' for Faith has not yet entered your hearts. But if you obey Allah and His Messenger (صلى الله عليه وسلم), He will not decrease anything in reward for your deeds. Verily, Allah is Oft-Forgiving, Most Merciful."

(7) And those who believe and whose offspring follow them in Faith: to them shall We join their offspring, and We shall not decrease the reward of their deeds in anything. Every person is a pledge for that which he has earned.

(8) He merges night into day (i.e. the decrease in the hours of the night is added into the hours of the day), and merges day into night (i.e. the decrease in the hours of the day is added into the hours of the night), and He has full knowledge of whatsoever is in the breasts.

(9) 'And indeed when we heard the Guidance (this Qur'an), we believed therein (Islamic Monotheism), and whosoever believes in his Lord shall have no fear, either of a decrease in the reward of his good deeds or an increase in the punishment for his sins.