FAXES is a playable word

fax Scrabble® Dictionary

verb
faxed, faxing, faxes
to transmit and reproduce by electronic means
(adjective) faxable
20 Playable Words can be made from "FAXES"
   2-Letter Words (8 found)
   3-Letter Words (9 found)
   4-Letter Words (2 found)
   5-Letter Words (1 found)