The word(s) "exist" appears 59 time(s) in 59 verse(s) in Quran in Mohsin Khan translation.

(21) Indeed in their stories, there is a lesson for men of understanding. It (the Qur'an) is not a forged statement but a confirmation of (Allah's existing Books) which were before it [i.e. the Taurat (Torah), the Injeel (Gospel) and other Scriptures of Allah] and a detailed explanation of everything and a guide and a Mercy for the people who believe.

(22) And (all) faces shall be humbled before (Allah), Al-Hayyul-Qayyum (the Ever Living, the One Who sustains and protects all that exists). And he who carried (a burden of) wrongdoing (i.e. he who disbelieved in Allah, ascribed partners to Him, and did deeds of His disobedience), will be indeed a complete failure (on that Day).

(23) And We have sent you (O Muhammad صلى الله عليه وسلم): not but as a mercy for the 'Alamin (mankind, jinn and all that exists).

(24) That is because Allah - He is the Truth (the only True God of all that exists, Who has no partners or rivals with Him), and what they (the polytheists) invoke besides Him, it is Batil (falsehood). And verily, Allah - He is the Most High, the Most Great.

(25) "And go both of you to Fir'aun (Pharaoh), and say: 'We are the Messengers of the Lord of the 'Alamin (mankind, jinn and all that exists),

(26) Fir'aun (Pharaoh) said: "And what is the Lord of the 'Alamin (mankind, jinn and all that exists)?"

(27) Saying: "We believe in the Lord of the 'Alamin (mankind, jinn and all that exists).

(28) "Verily they are enemies to me, save the Lord of the 'Alamin (mankind, jinn and all that exists),

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

(30) "No reward do I ask of you for it (my Message of Islamic Monotheism); my reward is only from the Lord of the 'Alamin (mankind, jinn and all that exists).