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

(41) Never will the Jews nor the Christians be pleased with you (O Muhammad صلى الله عليه وسلم) till you follow their religion. Say: "Verily, the Guidance of Allah (i.e. Islamic Monotheism) that is the (only) Guidance. And if you (O Muhammad صلى الله عليه وسلم) were to follow their (Jews and Christians) desires after what you have received of Knowledge (i.e. the Qur'an), then you would have against Allah neither any Wali (protector or guardian) nor any helper.

(42) Those (who embraced Islam from Bani Israel) to whom We gave the Book [the Taurat (Torah)] [or those (Muhammad's صلى الله عليه وسلم companions) to whom We have given the Book (the Qur'an)] recite it (i.e. obey its orders and follow its teachings) as it should be recited (i.e. followed), they are the ones who believe therein. And whoso disbelieve in it (the Qur'an), those are they who are the losers. (Tafsir Al-Qurtubi).

(43) And (remember) when the Lord of Ibrahim (Abraham) [i.e., Allah] tried him with (certain) Commands, which he fulfilled. He (Allah) said (to him), "Verily, I am going to make you an Imam (a leader) for mankind (to follow you)." [Ibrahim (Abraham)] said, "And of my offspring (to make leaders)." (Allah) said, "My Covenant (Prophethood) includes not Zalimun (polytheists and wrong-doers)."

(44) And (remember) when We made the House (the Ka'bah at Makkah) a place of resort for mankind and a place of safety. And take you (people) the Maqam (place) of Ibrahim (Abraham) [or the stone on which Ibrahim (Abraham) عليه السلام stood while he was building the Ka'bah] as a place of prayer (for some of your prayers, e.g. two Rak'at after the Tawaf of the Ka'bahat Makkah), and We commanded Ibrahim (Abraham) and Isma'il (Ishmael) that they should purify My House (the Ka'bah at Makkah) for those who are circumambulating it, or staying (I'tikaf), or bowing or prostrating themselves (there, in prayer).

(45) Our Lord! Send amongst them a Messenger of their own (and indeed Allah answered their invocation by sending Muhammad صلى الله عليه وسلم), who shall recite unto them Your Verses and instruct them in the Book (this Qur'an) and Al-Hikmah (full knowledge of the Islamic laws and jurisprudence or wisdom or Prophethood), and purify them. Verily! You are the All-Mighty, the All-Wise."

(46) And they say, "Be Jews or Christians, then you will be guided." Say (to them O Muhammad صلى الله عليه وسلم), "Nay, (we follow) only the religion of Ibrahim (Abraham), Hanifa [Islamic Monotheism, i.e. to worship none but Allah (Alone)], and he was not of Al-Mushrikun (those who worshipped others along with Allah - see V.2:105)."

(47) Say (O Muhammad صلى الله عليه وسلم to the Jews and Christians), "Dispute you with us about Allah while He is our Lord and your Lord? And we are to be rewarded for our deeds and you for your deeds. And we are sincere to Him [in worship and obedience (i.e. we worship Him Alone and none else, and we obey His Orders)]."

(48) Or say you that Ibrahim (Abraham), Isma'il (Ishmael), Ishaq (Isaac), Ya'qub (Jacob) and Al-Asbat [the offspring of the twelve sons of Ya'qub (Jacob)] were Jews or Christians? Say, "Do you know better or does Allah (knows better ... that they all were Muslims)? And who is more unjust than he who conceals the testimony [i.e. to believe in Prophet Muhammad صلى الله عليه وسلم when he comes, as is written in their Books. (See Verse 7:157)] he has from Allah? And Allah is not unaware of what you do."

(49) The fools among the people (pagans, hypocrites, and Jews) will say, "What has turned them (Muslims) from their Qiblah [prayer direction (towards Jerusalem)] to which they used to face in prayer." Say, (O Muhammad صلى الله عليه وسلم) "To Allah belong both, east and the west. He guides whom He wills to the Straight Way."

(50) Thus We have made you [true Muslims - real believers of Islamic Monotheism, true followers of Prophet Muhammad صلى الله عليه وسلم and his Sunnah (legal ways)], a just (and the best) nation, that you be witnesses over mankind and the Messenger (Muhammad صلى الله عليه وسلم) be a witness over you. And We made the Qiblah (prayer direction towards Jerusalem) which you used to face, only to test those who followed the Messenger (Muhammad صلى الله عليه وسلم) from those who would turn on their heels (i.e. disobey the Messenger). Indeed it was great (heavy) except for those whom Allah guided. And Allah would never make your faith (prayers) to be lost (i.e. your prayers offered towards Jerusalem). Truly, Allah is full of Kindness, the Most Merciful towards mankind.