FOREKNOWN is a playable word

foreknow Scrabble® Dictionary

verb
foreknew, foreknown, foreknowing, foreknows
to know in advance
95 Playable Words can be made from "FOREKNOWN"
   2-Letter Words (16 found)
   5-Letter Words (10 found)
   6-Letter Words (6 found)
   7-Letter Words (2 found)
   8-Letter Words (1 found)
   9-Letter Words (1 found)