QUANTUM is a playable word

quantum Scrabble® Dictionary

noun
pl. quanta
a fundamental unit of energy
35 Playable Words can be made from "QUANTUM"
   2-Letter Words (11 found)
   3-Letter Words (16 found)
   4-Letter Words (5 found)
   5-Letter Words (1 found)
   6-Letter Words (1 found)
   7-Letter Words (1 found)