UNUNBIUMS is a playable word

ununbium Scrabble® Dictionary

noun
pl. ununbiums
a synthetic element
62 Playable Words can be made from "UNUNBIUMS"
   2-Letter Words (10 found)
   3-Letter Words (26 found)
   4-Letter Words (18 found)
   5-Letter Words (5 found)
   6-Letter Words (1 found)
   8-Letter Words (1 found)
   9-Letter Words (1 found)