PLUNKS is a playable word

plunk Scrabble® Dictionary

verb
plunked, plunking, plunks
to fall or drop heavily
31 Playable Words can be made from "PLUNKS"
   2-Letter Words (4 found)
   3-Letter Words (10 found)
   4-Letter Words (10 found)
   5-Letter Words (6 found)
   6-Letter Words (1 found)