The word(s) "assurance" appears 9 time(s) in 9 verse(s) in Quran in Abdullah Yusuf Ali translation.

(1) And who believe in the Revelation sent to thee, and sent before thy time, and (in their hearts) have the assurance of the Hereafter.

(2) And (further) their Prophet said to them: "A Sign of his authority is that there shall come to you the Ark of the covenant, with (an assurance) therein of security from your Lord, and the relics left by the family of Moses and the family of Aaron, carried by angels. In this is a symbol for you if ye indeed have faith."

(3) Allah made it but a message of hope for you, and an assurance to your hearts: (in any case) there is no help except from Allah. The Exalted, the Wise:

(4) Between them shall be a veil, and on the heights will be men who would know every one by his marks: they will call out to the Companions of the Garden, "peace on you": they will not have entered, but they will have an assurance (thereof).

(5) Allah made it but a message of hope, and an assurance to your hearts: (in any case) there is no help except from Allah: and Allah is Exalted in Power, Wise.

(6) Those who establish regular prayers and give in regular charity, and also have (full) assurance of the hereafter.

(7) And when the Word is fulfilled against them (the unjust), we shall produce from the earth a beast to (face) them: He will speak to them, for that mankind did not believe with assurance in Our Signs.

(8) Those who establish regular Prayer, and give regular Charity, and have (in their hearts) the assurance of the Hereafter.

(9) "And when it was said that the promise of Allah was true, and that the Hour- there was no doubt about its (coming), ye used to say, 'We know not what is the hour: we only think it is an idea, and we have no firm assurance.'"