ف ر غf-r-gh
(ن) فَرَغَ يَفْرُغُ فَرَاغًا وَفُرُوْغًاfaragha yafrughu farāghan wa-furūghan: to be free after finishing a task, to be at leisure; with the preposition «li-»: to turn one's full attention to something. ﴿فَاِذَا فَرَغْتَ فَانْصَبْ﴾ (Ash-Sharḥ 94:7); ﴿سَنَفْرُغُ لَكُمْ اَيُّهَ الثَّقَلٰنِ﴾ (Ar-Raḥmān 55:31)
فَارِغٌfārigh (active participle (ism fāʿil)): empty; (of the heart) restless, void of everything. ﴿وَاَصْبَحَ فُؤَادُ اُمِّ مُوْسٰى فٰرِغًا﴾ (Al-Qaṣaṣ 28:10)
Form IV (ifʿāl) اَفْرَغَ يُفْرِغُ اِفْرَاغًاafragha yufrighu ifrāghan: to empty a vessel by pouring it out; to pour something out upon someone. ﴿رَبَّنَآ اَفْرِغْ عَلَيْنَا صَبْرًا﴾ (Al-Baqarah 2:250); ﴿اٰتُوْنِيْٓ اُفْرِغْ عَلَيْهِ قِطْرًا﴾ (Al-Kahf 18:96)