The word(s) "strong" appears 52 time(s) in 50 verse(s) in Quran in Mohsin Khan translation.

(11) He said: "O my people! Tell me, if I have a clear proof from my Lord, and a Mercy (Prophethood) has come to me from Him, but that (Mercy) has been obscured from your sight. Shall we compel you to accept it (Islamic Monotheism) when you have a strong hatred for it?

(12) So when Our Commandment came, We saved Salih and those who believed with him by a Mercy from Us, and from the disgrace of that Day. Verily, your Lord - He is the All-strong, the All-Mighty.

(13) And all that We relate to you (O Muhammad صلى الله عليه و سلم) of the news of the Messengers is in order that We may make strong and firm your heart thereby. And in this (chapter of the Qur'an) has come to you the truth, as well as an admonition and a reminder for the believers.

(14) When they said: "Truly, Yusuf (Joseph) and his brother (Benjamin) are dearer to our father than we, while we are a strong group. Really, our father is in a plain error.

(15) They said: "If a wolf devours him, while we are a strong group (to guard him), then surely, we are the losers."

(16) And they swear by Allah their strongest oaths, that Allah will not raise up him who dies. Yes, (He will raise them up), - a promise (binding) upon Him in truth, but most of mankind know not.

(17) And from the fruits of date-palms and grapes, you derive strong drink and a goodly provision. Verily, therein is indeed a sign for people who have wisdom.

(18) And be not like her who undoes the thread which she has spun, after it has become strong, by taking your oaths as a means of deception among yourselves, lest a nation should be more numerous than another nation. Allah only tests you by this [i.e who obeys Allah and fulfils Allah's Covenant and who disobeys Allah and breaks Allah's Covenant]. And on the Day of Resurrection, He will certainly make clear to you that wherein you used to differ [i.e. a believer confesses and believes in the Oneness of Allah and in the Prophethood of Prophet Muhammad صلى الله عليه و سلم which the disbeliever denies and that is their difference amongst them in the life of this world] .

(19) And We made their hearts firm and strong (with the light of Faith in Allah and bestowed upon them patience to bear the separation of their kith and kin and dwellings) when they stood up and said: "Our Lord is the Lord of the heavens and the earth, never shall we call upon any ilah (god) other than Him; if we did, we should indeed have uttered an enormity in disbelief.

(20) And he had property (or fruit) and he said to his companion, in the course of mutual talk: "I am more than you in wealth and stronger in respect of men." (Tafsir Al-Qurtubi).