GLOOPIER is a playable word

gloopy Scrabble® Dictionary

adjective
gloopier, gloopiest
resembling gloop
124 Playable Words can be made from "GLOOPIER"
   2-Letter Words (14 found)
   6-Letter Words (10 found)
   7-Letter Words (2 found)
   8-Letter Words (1 found)