NONPLUSED is a playable word

nonplus Scrabble® Dictionary

verb
nonplused, nonplusing, nonpluses or nonplussed, nonplussing, nonplusses
to baffle
287 Playable Words can be made from "NONPLUSED"
   2-Letter Words (21 found)
   7-Letter Words (5 found)
   8-Letter Words (1 found)
   9-Letter Words (1 found)