WHISTS is a playable word

whist Scrabble® Dictionary

verb
whisted, whisting, whists
to hush
34 Playable Words can be made from "WHISTS"
   2-Letter Words (6 found)
   3-Letter Words (8 found)
   4-Letter Words (12 found)
   5-Letter Words (7 found)
   6-Letter Words (1 found)