FOREWARN is a playable word

forewarn Scrabble® Dictionary

verb
forewarned, forewarning, forewarns
to warn in advance
123 Playable Words can be made from "FOREWARN"
   2-Letter Words (21 found)
   6-Letter Words (6 found)
   7-Letter Words (2 found)
   8-Letter Words (1 found)