DUBNIUMS is a playable word

dubnium Scrabble® Dictionary

noun
pl. dubniums
a radioactive element
89 Playable Words can be made from "DUBNIUMS"
   2-Letter Words (11 found)
   5-Letter Words (10 found)
   6-Letter Words (2 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)