KNAPPER is a playable word

knapper Scrabble® Dictionary

noun
pl. knappers
one that knaps
71 Playable Words can be made from "KNAPPER"
   2-Letter Words (11 found)
   3-Letter Words (25 found)
   5-Letter Words (6 found)
   6-Letter Words (2 found)
   7-Letter Words (1 found)