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

(251) So Today (i.e. the Day of Resurrection), none of you can profit or harm one another. And We shall say to those who did wrong [i.e. worshipped others (like the angels, jinn, prophets, saints, righteous persons) along with Allah]: "Taste the torment of the Fire which you used to belie.

(252) And when Our Clear Verses are recited to them, they say: "This (Muhammad صلى الله عليه وسلم) is naught but a man who wishes to hinder you from that which your fathers used to worship." And they say: "This (the Qur'an) is nothing but an invented lie." And those who disbelieve say of the truth when it has come to them (i.e. Prophet Muhammad صلى الله عليه وسلم when Allah sent him as a Messenger with proofs, evidence, verses of this Qur'an, lessons, signs, etc.): "This is nothing but evident magic!"

(253) O mankind! Remember the Grace of Allah upon you! Is there any creator other than Allah who provides for you from the sky (rain) and the earth? La ilaha illa Huwa (none has the right to be worshipped but He). How then are you turning away (from Him)?

(254) Whosoever desires honour, (power and glory), then to Allah belong all honour, power and glory [and one can get honour, power and glory only by obeying and worshipping Allah (Alone)]. To Him ascend (all) the goodly words, and the righteous deeds exalt it (i.e. the goodly words are not accepted by Allah unless and until they are followed by good deeds), but those who plot evils, theirs will be severe torment. And the plotting of such will perish.

(255) If you invoke (or call upon) them, they hear not your call; and if (in case) they were to hear, they could not grant it (your request) to you. And on the Day of Resurrection, they will disown your worshipping them. And none can inform you (O Muhammad صلى الله عليه وسلم) like Him Who is the All-Knower (of everything).

(256) "And why should I not worship Him (Allah Alone) Who has created me and to Whom you shall be returned.

(257) Did I not command you, O Children of Adam, that you should not worship Shaitan (Satan). Verily, he is a plain enemy to you.

(258) And that you should worship Me [Alone - Islamic Monotheism, and set up not rivals, associate-gods with Me]. That is the Straight Path.

(259) They cannot help them, but they will be brought forward as a troop against those who worshipped them (at the time of Reckoning).

(260) (It will be said to the angels): "Assemble those who did wrong, together with their companions (from the devils) and what they used to worship,