The word(s) "worship" appears 208 time(s) in 185 verse(s) in Quran in Muhammad Pickthal translation.

(131) Turning unto Him (only); and be careful of your duty unto Him and establish worship, and be not of those who ascribe partners (unto Him);

(132) Those who establish worship and pay the poor-due and have sure faith in the Hereafter.

(133) This is the Creation of Allah. Now show me that which those (ye worship) beside Him have created. Nay, but the wrong-doers are in error manifest!

(134) O my dear son! Establish worship and enjoin kindness and forbid iniquity, and persevere whatever may befall thee. Lo! that is of the steadfast heart of things.

(135) And on the day when He will gather them all together, He will say unto the angels: Did these worship you?

(136) They will say: Be Thou Glorified. Thou (alone) art our Guardian, not them! Nay, but they worshipped the jinn; most of them were believers in them.

(137) And if Our revelations are recited unto them in plain terms, they say: This is naught else than a man who would turn you away from what your fathers used to worship; and they say: This is naught else than an invented lie. Those who disbelieve say of the truth when it reacheth them: This is naught else than mere magic.

(138) And no burdened soul can bear another's burden, and if one heavy laden crieth for (help with) his load, naught of it will be lifted even though he (unto whom he crieth) be of kin. Thou warnest only those who fear their Lord in secret, and have established worship. He who groweth (in goodness), groweth only for himself, (he cannot by his merit redeem others). Unto Allah is the journeying.

(139) Lo! those who read the Scripture of Allah, and establish worship, and spend of that which We have bestowed on them secretly and openly, they look forward to imperishable gain,

(140) Did I not charge you, O ye sons of Adam, that ye worship not the devil - Lo! he is your open foe! -