FIREBUG is a playable word

firebug Scrabble® Dictionary

noun
pl. firebugs
an arsonist
60 Playable Words can be made from "FIREBUG"
   2-Letter Words (8 found)
   3-Letter Words (29 found)
   4-Letter Words (15 found)
   5-Letter Words (6 found)
   6-Letter Words (1 found)
   7-Letter Words (1 found)