SUBSKILLS is a playable word

subskill Scrabble® Dictionary

noun
pl. subskills
a subordinate skill
60 Playable Words can be made from "SUBSKILLS"
   2-Letter Words (6 found)
   3-Letter Words (13 found)
   6-Letter Words (3 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)
   9-Letter Words (1 found)