WINDOWING is a playable word

window Scrabble® Dictionary

verb
windowed, windowing, windows
to provide with a window (an opening in a wall to admit light and air)
66 Playable Words can be made from "WINDOWING"
   2-Letter Words (11 found)
   3-Letter Words (18 found)
   4-Letter Words (12 found)
   5-Letter Words (7 found)
   7-Letter Words (4 found)
   8-Letter Words (2 found)
   9-Letter Words (1 found)