OVERLOADING is a playable word

overload Scrabble® Dictionary

verb
overloaded, overloading, overloads
to load to excess
905 Playable Words can be made from "OVERLOADING"
   2-Letter Words (30 found)
   3-Letter Words (115 found)
   9-Letter Words (4 found)
   10-Letter Words (1 found)
   11-Letter Words (1 found)