GIGAWATT is a playable word

gigawatt Scrabble® Dictionary

noun
pl. gigawatts
a unit of power
38 Playable Words can be made from "GIGAWATT"
   2-Letter Words (9 found)
   3-Letter Words (18 found)
   4-Letter Words (7 found)
   5-Letter Words (3 found)
   8-Letter Words (1 found)