The word(s) "strong" appears 42 time(s) in 41 verse(s) in Quran in Muhammad Pickthal translation.

(31) Allah is gracious unto His slaves. He provideth for whom He will. And He is the strong, the Mighty.

(32) And how many a township stronger than thy township (O Muhammad) which hath cast thee out, have We destroyed, and they had no helper!

(33) And that Allah may help thee with strong help -

(34) We verily sent Our messengers with clear proofs, and revealed with them the Scripture and the Balance, that mankind may observe right measure; and He revealed iron, wherein is mighty power and (many) uses for mankind, and that Allah may know him who helpeth Him and His messengers, though unseen. Lo! Allah is strong, Almighty.

(35) Allah hath decreed: Lo! I verily shall conquer, I and My messengers. Lo! Allah is strong, Almighty.

(36) He it is Who hath caused those of the People of the Scripture who disbelieved to go forth from their homes unto the first exile. Ye deemed not that they would go forth, while they deemed that their strongholds would protect them from Allah. But Allah reached them from a place whereof they recked not, and cast terror in their hearts so that they ruined their houses with their own hands and the hands of the believers. So learn a lesson, O ye who have eyes!

(37) O ye who believe! Ward off from yourselves and your families a Fire whereof the fuel is men and stones, over which are set angels strong, severe, who resist not Allah in that which He commandeth them, but do that which they are commanded.

(38) They went betimes, strong in (this) purpose.

(39) And (the Jinn who had listened to the Qur'an said): We had sought the heaven but had found it filled with strong warders and meteors.

(40) And We have built above you seven strong (heavens),