OUTGROUP is a playable word

outgroup Scrabble® Dictionary

noun
pl. outgroups
a group of people outside one's own group
65 Playable Words can be made from "OUTGROUP"
   2-Letter Words (7 found)
   3-Letter Words (28 found)
   5-Letter Words (5 found)
   6-Letter Words (1 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)