SQUISHIEST is a playable word

squishy Scrabble® Dictionary

adjective
squishier, squishiest
squashy
126 Playable Words can be made from "SQUISHIEST"
   2-Letter Words (15 found)
   3-Letter Words (28 found)
   7-Letter Words (6 found)
   8-Letter Words (2 found)
   10-Letter Words (1 found)