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

(211) And on the Day when He will gather them together and that which they worship besides Allah [idols, angels, pious men, saints] . He will say: "Was it you who misled these My slaves or did they (themselves) stray from the (Right) Path?"

(212) On the Day they will see the angels - no glad tidings will there be for the Mujrimun (criminals, disbelievers, polytheists, sinners) that day. And they (angels) will say: "All kinds of glad tidings are forbidden to you," [none will be allowed to enter Paradise except the one who said: La ilaha illallah, "(none has the right to be worshipped but Allah) and acted practically on its legal orders and obligations. See the footnote of V.2:193)].

(213) "He would have nearly misled us from our alihah (gods), had it not been that we were patient and constant in their worship!" And they will know when they see the torment, who it is that is most astray from the (Right) Path!

(214) And they (disbelievers, polytheists) worship besides Allah that which can neither profit them nor harm them; and the disbeliever is ever a helper (of the Satan) against his Lord.

(215) And those who spend the night in worship of their Lord, prostrate and standing.

(216) When he said to his father and his people: "What do you worship?"

(217) They said: "We worship idols, and to them we are ever devoted."

(218) He said: "Do you observe that which you have been worshipping -

(219) And it will be said to them: "Where are those (the false gods whom you used to set up as rivals with Allah) that you used to worship.

(220) When We held you (false gods) as equals (in worship) with the Lord of the 'Alamin (mankind, jinn and all that exists);