The word(s) "gain" appears 351 time(s) in 314 verse(s) in Quran in Mohsin Khan translation.

(151) Or do you feel secure that He will not send you back a second time to sea and send against you a hurricane of wind and drown you because of your disbelief? Then you will not find any avenger therein against Us.

(152) Verily, they were about to tempt you away from that which We have revealed (the Qur'an) unto you (O Muhammad صلى الله عليه و سلم), to fabricate something other than it against Us, and then they would certainly have taken you a Khalil (an intimate friend)!

(153) In that case We would have made you taste a double portion (of punishment) in this life and a double portion (of punishment) after death. And then you would have found none to help you against Us.

(154) And say: "Truth (i.e. Islamic Monotheism or this Qur'an or Jihad against polytheists) has come and Batil (falsehood, i.e. Satan or polytheism) has vanished. Surely Batil is ever bound to vanish."

(155) And if We willed, We could surely take away that which We have revealed to you (i.e. this Qur'an). Then you would find no protector for you against Us in that respect.

(156) "These our people have taken for worship alihah (gods) other than Him (Allah). Why do they not bring for them a clear authority? And who does more wrong than he who invents a lie against Allah.

(157) And he had no group of men to help him against Allah, nor could he defend (or save) himself.

(158) Until, when he came to the rising place of the sun, he found it rising on a people for whom We (Allah) had provided no shelter against the sun.

(159) And Salam (peace) be on him the day he was born, and the day he dies, and the day he will be raised up to life (again)!

(160) It befits not (the Majesty of) Allah that He should beget a son [this refers to the slander of Christians against Allah, by saying that 'Îsa (Jesus) is the son of Allah]. Glorified (and Exalted) be He (above all that they associate with Him). When He decrees a thing, He only says to it: "Be!" - and it is.