The word(s) "ad" appears 2687 time(s) in 1984 verse(s) in Quran in Mohsin Khan translation.

(1841) Verily, We have sent to you (O men) a Messenger (Muhammad صلى الله عليه وسلم) to be a witness over you, as We did send a Messenger [Musa (Moses)] to Fir'aun (Pharaoh).

(1842) Then how can you avoid the punishment, if you disbelieve, on a Day (i.e. the Day of Resurrection) that will make the children grey-headed?

(1843) Verily, this is an admonition: therefore whosoever will, let him take a Path to His Lord!

(1844) O you (Muhammad صلى الله عليه وسلم) enveloped in garments!

(1845) And made life smooth and comfortable for him.

(1846) Then he frowned and he looked in a bad tempered way;

(1847) And We have set none but angels as guardians of the Fire. And We have fixed their number (19) only as a trial for the disbelievers, in order that the people of the Scripture (Jews and Christians) may arrive at a certainty [that this Qur'an is the truth as it agrees with their Books regarding the number (19) which is written in the Taurat (Torah) and the Injeel (Gospel)] and that the believers may increase in Faith (as this Qur'an is the truth), and that no doubt may be left for the people of the Scripture and the believers, and that those in whose hearts is a disease (of hypocrisy) and the disbelievers may say: "What Allah intends by this (curious) example ?" Thus Allah leads astray whom He wills and guides whom He wills. And none can know the hosts of your Lord but He. And this (Hell) is nothing else than a (warning) reminder to mankind.

(1848) Verily, it (Hell, or their denial of Prophet Muhammad صلى الله عليه وسلم, or the Day of Resurrection) is but one of the greatest (signs).

(1849) In Gardens (Paradise) they will ask one another,

(1850) Then what is wrong with them (i.e. the polytheists, the disbelievers) that they turn away from (receiving) admonition?