FLATPACK is a playable word

flatpack Scrabble® Dictionary

noun
pl. flatpacks
a package for an integrated circuit
63 Playable Words can be made from "FLATPACK"
   2-Letter Words (8 found)
   3-Letter Words (22 found)
   5-Letter Words (7 found)
   6-Letter Words (1 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)