YELPER is a playable word

yelper Scrabble® Dictionary

noun
pl. yelpers
one that yelps
43 Playable Words can be made from "YELPER"
   2-Letter Words (5 found)
   3-Letter Words (15 found)
   4-Letter Words (16 found)
   5-Letter Words (6 found)
   6-Letter Words (1 found)