SUBSOILED is a playable word

subsoil Scrabble® Dictionary

verb
subsoiled, subsoiling, subsoils
to plow so as to turn up the subsoil (the layer of earth beneath the surface soil)
308 Playable Words can be made from "SUBSOILED"
   2-Letter Words (19 found)
   8-Letter Words (1 found)
   9-Letter Words (1 found)