ARBITRAL is a playable word

arbiter Scrabble® Dictionary

noun
pl. arbiters
one chosen or appointed to judge a disputed issue
(adjective) arbitral
95 Playable Words can be made from "ARBITRAL"
   2-Letter Words (13 found)
   3-Letter Words (29 found)
   6-Letter Words (5 found)
   8-Letter Words (1 found)