POSSIBLER is a playable word

possible Scrabble® Dictionary

adjective
possibler, possiblest
capable of happening or proving true
(adverb) possibly
noun
pl. possibles
a possibility
355 Playable Words can be made from "POSSIBLER"
   2-Letter Words (20 found)
   8-Letter Words (3 found)
   9-Letter Words (1 found)