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

(261) Truly, when it was said to them: La ilaha illallah "(none has the right to be worshipped but Allah)," they puffed themselves up with pride (i.e. denied it).

(262) When he came to his Lord with a pure heart [attached to Allah Alone and none else, worshipping none but Allah Alone - true Islamic Monotheism, pure from the filth of polytheism].

(263) When he said to his father and to his people: "What is it that which you worship?

(264) Then they (the worshippers of idols) came, towards him, hastening.

(265) He said: "worship you that which you (yourselves) carve?

(266) "Will you call upon Ba'l (a well known idol of his nation whom they used to worship) and forsake the Best of creators,

(267) So, verily you (pagans) and those whom you worship (idols)

(268) Shall We treat those who believe (in the Oneness of Allah - Islamic Monotheism) and do righteous good deeds as Mufsidun (those who associate partners in worship with Allah and commit crimes) on earth? Or shall We treat the Muttaqun (the pious - See V.2:2) as the Fujjar (criminals, disbelievers, the wicked)?

(269) And remember Our slaves, Ibrahim (Abraham), Ishaq (Isaac), and Ya'qub (Jacob), (all) owners of strength (in worshipping Us) and (also) of religious understanding.

(270) Say (O Muhammad صلى الله عليه وسلم): "I am only a warner and there is no Ilah (God) except Allah (none has the right to be worshipped but Allah) the One, the Irresistible,