FUSION is a playable word

fusion Scrabble® Dictionary

noun
pl. fusions
the act of melting together
(adjective) fusional
43 Playable Words can be made from "FUSION"
   2-Letter Words (13 found)
   3-Letter Words (16 found)
   4-Letter Words (10 found)
   5-Letter Words (3 found)
   6-Letter Words (1 found)