JOUSTS is a playable word

joust Scrabble® Dictionary

verb
jousted, jousting, jousts
to engage in personal combat
30 Playable Words can be made from "JOUSTS"
   2-Letter Words (6 found)
   3-Letter Words (9 found)
   4-Letter Words (10 found)
   5-Letter Words (4 found)
   6-Letter Words (1 found)