HAFNIUM is a playable word

hafnium Scrabble® Dictionary

noun
pl. hafniums
a metallic element
52 Playable Words can be made from "HAFNIUM"
   2-Letter Words (18 found)
   3-Letter Words (22 found)
   4-Letter Words (9 found)
   5-Letter Words (2 found)
   7-Letter Words (1 found)