The word(s) "polytheism" appears 55 time(s) in 52 verse(s) in Quran in Mohsin Khan translation.

(41) And when it is said to them: "Fear of that which is before you (worldly torments), and that which is behind you (torments in the Hereafter), in order that you may receive Mercy (i.e. if you believe in Allah's religion - Islamic Monotheism, and avoid polytheism, and obey Allah with righteous deeds)."

(42) They will say: "It was you who used to come to us from the right side [i.e. from the right side of one of us and beautify for us every evil, enjoin on us polytheism, and stop us from the truth i.e. Islamic Monotheism and from every good deed]."

(43) 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].

(44) See you not those who dispute about the Ayat (proofs, evidence, verses, lessons, signs, revelations, etc.) of Allah? How are they turning away [from the truth, (i.e. Islamic Monotheism to the falsehood (i.e. polytheism)]?

(45) And not an Ayah (sign, etc.) We showed them but it was greater than its fellow , and We seized them with torment, in order that they might turn [from their polytheism to Allah's religion (Islamic Monotheism)].

(46) "Who feared the Most Gracious (Allah) in the Ghaib (Unseen) and brought a heart turned in repentance (to Him and absolutely free from each and every kind of polytheism).

(47) He it is Who sent among the unlettered ones a Messenger (Muhammad صلى الله عليه وسلم) from among themselves, reciting to them His Verses, purifying them (from the filth of disbelief and polytheism), and teaching them the Book (this Qur'an, Islamic laws and Islamic jurisprudence) and Al-Hikmah (As-Sunnah: legal ways, orders, acts of worship of Prophet Muhammad صلى الله عليه وسلم). And verily, they had been before in manifest error;

(48) (And has also sent to you) a Messenger (Muhammad صلى الله عليه وسلم), who recites to you the Verses of Allah (the Qur'an) containing clear explanations, that He may take out those who believe and do righteous good deeds, from the darkness (of polytheism and disbelief) to the light (of Islamic Monotheism). And whosoever believes in Allah and performs righteous good deeds, He will admit him into Gardens under which rivers flow (Paradise) to dwell therein forever. Allah has indeed granted for him an excellent provision.

(49) Go to Fir'aun (Pharaoh); verily he has transgressed all bounds (in crimes, sins, polytheism, disbelief).

(50) Indeed whosoever purifies himself (by avoiding polytheism and accepting Islamic Monotheism) shall achieve success,