IMPERIUM is a playable word

imperium Scrabble® Dictionary

noun
pl. imperiums or imperia
absolute power
58 Playable Words can be made from "IMPERIUM"
   2-Letter Words (11 found)
   3-Letter Words (21 found)
   4-Letter Words (16 found)
   5-Letter Words (3 found)
   6-Letter Words (5 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)