و ب لw-b-l
(ک، ض) وَبُلَ يَوْبُلُ وَبَالًا وَوَبَلَ يَبِلُ وَبْلًاwabula yawbulu wa-bālan wa-wabala yabilu wa-blan: to be heavy and grave (of an outcome); also, of rain, to pour down hard. (This verb is not used in the Quran.)
وَابِلٌwābil (active participle, ism fāʿil): torrential rain — the opposite of طَلّṭall (drizzle). ﴿فَاَصَابَهُۥ وَابِلٌ فَتَرَكَهُۥ صَلْدًا﴾ (Al-Baqarah 2:264); ﴿فَاِنْ لَّمْ يُصِبْهَا وَابِلٌ فَطَلٌّ﴾ (Al-Baqarah 2:265)
وَبَالٌwabāl (noun, ism dhāt): an evil outcome, the ill consequence of one's deeds. ﴿فَذَاقُوْا وَبَالَ اَمْرِهِمْ﴾ (At-Taghābun 64:5)
وَبِيْلٌwabīl (adjective on the pattern of فَعِيْلٌfaʿīl): severe, heavy, grievous. Only once in the Quran: ﴿فَاَخَذْنٰهُ اَخْذًا وَّبِيْلًا﴾ (Al-Muzzammil 73:16)