Root ف ر غ(f r g) has 4 unique word forms and appears 6 times in the Quran.

English gloss Empty, Vacate, Used up, Devote, Attend, Vacant, Idle, Useless, Unload, Discharge, Pour out

Word Translation Occurrences
أَفۡرِغۡ Pour, Pour 4
أُفۡرِغۡ I pour, I pour 2
سَنَفۡرُغُ Soon We will attend, Soon We will attend 2
فَٰرِغًاۖ empty, empty 2
فَرَغۡتَ you have finished, you have finished 2