REFUTER is a playable word

refuter Scrabble® Dictionary

noun
pl. refuters
one that refutes
44 Playable Words can be made from "REFUTER"
   2-Letter Words (7 found)
   3-Letter Words (15 found)
   4-Letter Words (14 found)
   5-Letter Words (4 found)
   6-Letter Words (3 found)
   7-Letter Words (1 found)