FILTHIER is a playable word

filthy Scrabble® Dictionary

adjective
filthier, filthiest
offensively dirty
(adverb) filthily
104 Playable Words can be made from "FILTHIER"
   2-Letter Words (14 found)
   3-Letter Words (27 found)
   6-Letter Words (4 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)