ATAVISMS is a playable word

atavism Scrabble® Dictionary

noun
pl. atavisms
the reappearance of a genetic characteristic after several generations of absence
91 Playable Words can be made from "ATAVISMS"
   2-Letter Words (12 found)
   3-Letter Words (27 found)
   6-Letter Words (2 found)
   7-Letter Words (2 found)
   8-Letter Words (1 found)