GLOPS is a playable word

glop Scrabble® Dictionary

verb
glopped, glopping, glops
to cover with glop (a messy mass or mixture)
21 Playable Words can be made from "GLOPS"
   2-Letter Words (6 found)
   3-Letter Words (8 found)
   4-Letter Words (6 found)
   5-Letter Words (1 found)