NAPPER is a playable word

napper Scrabble® Dictionary

noun
pl. nappers
one that naps
50 Playable Words can be made from "NAPPER"
   2-Letter Words (10 found)
   3-Letter Words (19 found)
   4-Letter Words (15 found)
   5-Letter Words (4 found)
   6-Letter Words (2 found)