The word(s) "worship" appears 429 time(s) in 354 verse(s) in Quran in Mohsin Khan translation.

(41) They (hypocrites) are those of whom Allah knows what is in their hearts; so turn aside from them (do not punish them) but admonish them, and speak to them an effective word (i.e. to believe in Allah, worship Him, obey Him, and be afraid of Him) to reach their innerselves.

(42) Allah! La ilaha illa Huwa (none has the right to be worshipped but He). Surely, He will gather you together on the Day of Resurrection about which there is no doubt. And who is truer in statement than Allah?

(43) Verily! Allah forgives not (the sin of) setting up partners (in worship) with Him, but He forgives whom He wills sins other than that, and whoever sets up partners in worship with Allah, has indeed strayed far away.

(44) They (all those who worship others than Allah) invoke nothing but female deities besides Him (Allah), and they invoke nothing but Shaitan (Satan), a persistent rebel!

(45) And who can be better in religion than one who submits his face (himself) to Allah (i.e. follows Allah's religion of Islamic Monotheism); and he is a Muhsin (a good-doer - See V.2:112). And follows the religion of Ibrahim (Abraham) Hanifa (Islamic Monotheism - to worship none but Allah Alone). And Allah did take Ibrahim (Abraham) as a Khalil (an intimate friend)!

(46) Except those who repent (from hypocrisy), do righteous good deeds, hold fast to Allah, and purify their religion for Allah (by worshipping none but Allah, and do good for Allah's sake only, not to show off), then they will be with the believers. And Allah will grant the believers a great reward.

(47) The people of the Scripture (Jews) ask you to cause a book to descend upon them from heaven. Indeed they asked Musa (Moses) for even greater than that, when they said: "Show us Allah in public," but they were struck with thunderclap and lightning for their wickedness. Then they worshipped the calf even after clear proofs, evidence, and signs had come to them. (Even) so We forgave them. And We gave Musa (Moses) a clear proof of authority.

(48) The Messiah will never be proud to reject to be a slave to Allah, nor the angels who are the near (to Allah). And whosoever rejects His worship and is proud, then He will gather them all together unto Himself.

(49) So, as for those who believed (in the Oneness of Allah - Islamic Monotheism) and did deeds of righteousness, He will give them their (due) rewards - and more out of His Bounty. But as for those who refused His worship and were proud, He will punish them with a painful torment. And they will not find for themselves besides Allah any protector or helper.

(50) Say (O Muhammad صلى الله عليه وسلم to the people of the Scripture): "Shall I inform you of something worse than that, regarding the recompense from Allah: those (Jews) who incurred the Curse of Allah and His Wrath, and those of whom (some) He transformed into monkeys and swines, and those who worshipped Taghut (false deities); such are worse in rank (on the Day of Resurrection in the Hell-fire), and far more astray from the Right Path (in the life of this world)."