COMPLEX is a playable word

complex Scrabble® Dictionary

adjective
complexer, complexest
complicated
verb
complexed, complexing, complexes
to make complex
50 Playable Words can be made from "COMPLEX"
   2-Letter Words (12 found)
   3-Letter Words (21 found)
   4-Letter Words (13 found)
   5-Letter Words (2 found)
   6-Letter Words (1 found)
   7-Letter Words (1 found)