HEAPER is a playable word

heaper Scrabble® Dictionary

noun
pl. heapers
one that heaps
47 Playable Words can be made from "HEAPER"
   2-Letter Words (10 found)
   3-Letter Words (19 found)
   4-Letter Words (15 found)
   5-Letter Words (2 found)
   6-Letter Words (1 found)