UPHEAP is a playable word

upheap Scrabble® Dictionary

verb
upheaped, upheaping, upheaps
to heap up
28 Playable Words can be made from "UPHEAP"
   2-Letter Words (9 found)
   3-Letter Words (14 found)
   4-Letter Words (3 found)
   5-Letter Words (1 found)
   6-Letter Words (1 found)