SURTAX is a playable word

surtax Scrabble® Dictionary

verb
surtaxed, surtaxing, surtaxes
to assess with an extra tax
39 Playable Words can be made from "SURTAX"
   2-Letter Words (8 found)
   3-Letter Words (17 found)
   4-Letter Words (11 found)
   5-Letter Words (2 found)
   6-Letter Words (1 found)