CUPELS is a playable word

cupel Scrabble® Dictionary

verb
cupeled, cupeling, cupels or cupelled, cupelling, cupels
to refine gold or silver in a cuplike vessel
49 Playable Words can be made from "CUPELS"
   2-Letter Words (5 found)
   3-Letter Words (17 found)
   4-Letter Words (19 found)
   5-Letter Words (7 found)
   6-Letter Words (1 found)