PLUNKIEST is a playable word

plunky Scrabble® Dictionary

adjective
plunkier, plunkiest
marked by a quick, hollow, metallic sound
436 Playable Words can be made from "PLUNKIEST"
   2-Letter Words (20 found)
   3-Letter Words (76 found)
   8-Letter Words (1 found)
   9-Letter Words (1 found)