TRIPLEX is a playable word

triplex Scrabble® Dictionary

verb
triplexed, triplexing, triplexes
to provide something in triplicate
69 Playable Words can be made from "TRIPLEX"
   2-Letter Words (12 found)
   3-Letter Words (22 found)
   5-Letter Words (9 found)
   6-Letter Words (1 found)
   7-Letter Words (1 found)