SQUALIDEST is a playable word

squalid Scrabble® Dictionary

adjective
squalider, squalidest
marked by filthiness caused by neglect or poverty
519 Playable Words can be made from "SQUALIDEST"
   2-Letter Words (24 found)
   8-Letter Words (6 found)
   9-Letter Words (1 found)
   10-Letter Words (1 found)