DUBNIUM is a playable word

dubnium Scrabble® Dictionary

noun
pl. dubniums
a radioactive element
36 Playable Words can be made from "DUBNIUM"
   2-Letter Words (8 found)
   3-Letter Words (20 found)
   4-Letter Words (6 found)
   5-Letter Words (1 found)
   7-Letter Words (1 found)