RETCON is a playable word

retcon Scrabble® Dictionary

verb
retconned, retconning, retcons
to alter an existing story by introducing new information from a later work
63 Playable Words can be made from "RETCON"
   2-Letter Words (11 found)
   3-Letter Words (23 found)
   4-Letter Words (17 found)
   5-Letter Words (10 found)
   6-Letter Words (2 found)