GULPER is a playable word

gulper Scrabble® Dictionary

noun
pl. gulpers
one that gulps
38 Playable Words can be made from "GULPER"
   2-Letter Words (5 found)
   3-Letter Words (16 found)
   4-Letter Words (11 found)
   5-Letter Words (5 found)
   6-Letter Words (1 found)