DUPLEXES is a playable word

duplex Scrabble® Dictionary

verb
duplexed, duplexing, duplexes
to make duple
123 Playable Words can be made from "DUPLEXES"
   2-Letter Words (9 found)
   3-Letter Words (29 found)
   6-Letter Words (9 found)
   7-Letter Words (1 found)
   8-Letter Words (2 found)