Ba-Ra-Qaf (ب-ر-ق) has 1 word in the Fahm dictionary: barq (lightning).
In the Quran, words built on this root occur 7 times in 7 verses, across 6 of the 114 suras. The first is in 2:19. The form بَرْق (lightning) accounts for 5 of them.
Or like a rainstorm from the sky, wherein is darkness, thunder and the flash of lightning. They thrust their fingers in their ears by reason of the thunder-claps, for fear of death, Allah encompasseth the disbelievers (in His guidance, His omniscience and His omnipotence).
The lightning almost snatcheth away their sight from them. As often as it flasheth forth for them they walk therein, and when it darkeneth against them they stand still. If Allah willed, He could destroy their hearing and their sight. Lo! Allah is able to do all things.
Quran 2:20
بِأَكْوَابٍ وَأَبَارِيقَ وَكَأْسٍ مِّن مَّعِينٍ
With bowls and ewers and a cup from a pure spring
Quran 56:18
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).