VAULTS is a playable word

vault Scrabble® Dictionary

verb
vaulted, vaulting, vaults
to provide with a vault (an arched ceiling)
50 Playable Words can be made from "VAULTS"
   2-Letter Words (7 found)
   3-Letter Words (18 found)
   4-Letter Words (18 found)
   5-Letter Words (6 found)
   6-Letter Words (1 found)