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

(191) Truly! This, your Ummah [Shari'ah or religion (Islamic Monotheism)] is one religion, and I am your Lord, therefore worship Me (Alone). [Tafsir Ibn Kathir]

(192) Certainly you (disbelievers) and that which you are worshipping now besides Allah, are (but) fuel for Hell! (Surely), you will enter it.

(193) Verily, in this (the Qur'an) there is a plain Message for people who worship Allah (i.e. the true, real believers of Islamic Monotheism who act practically on the Qur'an and the Sunnah - legal ways of the Prophet صلى الله عليه وسلم).

(194) Say (O Muhammad صلى الله عليه وسلم): "It is revealed to me that your Ilah (God) is only one Ilah (God - Allah). Will you then submit to His Will (become Muslims and stop worshipping others besides Allah)?"

(195) And among mankind is he who worships Allah as it were, upon the edge (i.e. in doubt): if good befalls him, he is content therewith; but if a trial befalls him, he turns back on his face (i.e. reverts to disbelief after embracing Islam). He loses both this world and the Hereafter. That is the evident loss.

(196) Verily, those who believe (in Allah and in His Messenger Muhammad صلى الله عليه وسلم), and those who are Jews, and the Sabians, and the Christians, and the Majus, and those who worship others besides Allah, truly, Allah will judge between them on the Day of Resurrection. Verily! Allah is over all things a Witness.

(197) And (remember) when We showed Ibrahim (Abraham) the site of the (Sacred) House (the Ka'bah at Makkah) (saying): "Associate not anything (in worship) with Me, [La ilaha illallah (none has the right to be worshipped but Allah) - Islamic Monotheism], and sanctify My House for those who circumambulate it, and those who stand up (for prayer), and those who bow (submit themselves with humility and obedience to Allah), and make prostration (in prayer);"

(198) That (Manasik- prescribed duties of Hajj is the obligation that mankind owes to Allah), and whoever honours the sacred things of Allah, then that is better for him with his Lord. The cattle are lawful to you, except those (that will be) mentioned to you (as exceptions). So shun the abomination (worshipping) of idol, and shun lying speech (false statements) -

(199) Hunafa' Lillah (i.e. worshiping none but Allah), not associating partners (in worship) unto Him; and whoever assigns partners to Allah, it is as if he had fallen from the sky, and the birds had snatched him, or the wind had thrown him to a far off place.

(200) And they worship besides Allah others for which He has sent down no authority, and of which they have no knowledge; and for the Zalimun (wrong-doers, polytheists and disbelievers in the Oneness of Allah) there is no helper.