SHUTTER is a playable word

shutter Scrabble® Dictionary

verb
shuttered, shuttering, shutters
to provide with shutters (hinged window covers)
87 Playable Words can be made from "SHUTTER"
   2-Letter Words (11 found)
   3-Letter Words (23 found)
   5-Letter Words (13 found)
   6-Letter Words (4 found)
   7-Letter Words (1 found)