UNPILE is a playable word

unpile Scrabble® Dictionary

verb
unpiled, unpiling, unpiles
to take or disentangle from a pile
40 Playable Words can be made from "UNPILE"
   2-Letter Words (10 found)
   3-Letter Words (15 found)
   4-Letter Words (11 found)
   5-Letter Words (1 found)
   6-Letter Words (3 found)