DEFRAGGING is a playable word

defrag Scrabble® Dictionary

verb
defragged, defragging, defrags
to eliminate fragmentation in a computer file
298 Playable Words can be made from "DEFRAGGING"
   2-Letter Words (21 found)
   8-Letter Words (2 found)
   9-Letter Words (1 found)
   10-Letter Words (1 found)