Qaf-Ra-Ra (ق-ر-ر) has 3 words in the Fahm dictionary: taqrīr (report), qarār (decision), qarrara (to decide (Form II)).
In the Quran, words built on this root occur 38 times in 37 verses, across 22 of the 114 suras. The first is in 2:36. The form قَرار (decision) accounts for 9 of them.
But Satan caused them to deflect therefrom and expelled them from the (happy) state in which they were; and We said: Fall down, one of you a foe unto the other! There shall be for you on earth a habitation and provision for a time.
And when We made with you a covenant (saying): Shed not the blood of your people nor turn (a party of) your people out of your dwellings. Then ye ratified (Our covenant) and ye were witnesses (thereto).
And the similitude of a bad saying is as a bad tree, uprooted from upon the earth, possessing no stability.
Quran 14:26
Arabic text: Tanzil Quran Text (Uthmani 1.1), CC BY 3.0, tanzil.net. English: Marmaduke Pickthall, The Meaning of the Glorious Koran (1930), public domain, via Project Gutenberg. Counts and verse choice: Quranic Arabic Corpus morphology data (corpus.quran.com).