WHOOPER is a playable word

whooper Scrabble® Dictionary

noun
pl. whoopers
one that whoops
65 Playable Words can be made from "WHOOPER"
   2-Letter Words (15 found)
   3-Letter Words (28 found)
   4-Letter Words (15 found)
   5-Letter Words (5 found)
   6-Letter Words (1 found)
   7-Letter Words (1 found)