WINDMILLS is a playable word

windmill Scrabble® Dictionary

verb
windmilled, windmilling, windmills
to rotate solely under the force of a passing airstream
72 Playable Words can be made from "WINDMILLS"
   2-Letter Words (6 found)
   3-Letter Words (19 found)
   5-Letter Words (13 found)
   6-Letter Words (1 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)
   9-Letter Words (1 found)