BUILDOUT is a playable word

buildout Scrabble® Dictionary

noun
pl. buildouts
work done to expand a system
73 Playable Words can be made from "BUILDOUT"
   2-Letter Words (12 found)
   3-Letter Words (31 found)
   5-Letter Words (4 found)
   6-Letter Words (2 found)
   8-Letter Words (2 found)