Root ب ل س(b l s) has 3 unique word forms and appears 5 times in the Quran.

Word Translation Occurrences
مُبۡلِسُونَ (will be in) despair, (will) despair 4
لَمُبۡلِسِينَ surely in despair 2
مُّبۡلِسُونَ (were) dumbfounded 2
يُبۡلِسُ will (be in) despair 2