UNTRUEST is a playable word

untrue Scrabble® Dictionary

adjective
untruer, untruest
112 Playable Words can be made from "UNTRUEST"
   2-Letter Words (11 found)
   3-Letter Words (27 found)
   6-Letter Words (10 found)
   7-Letter Words (2 found)
   8-Letter Words (1 found)