BULWARKS is a playable word

bulwark Scrabble® Dictionary

verb
bulwarked, bulwarking, bulwarks
to fortify with a defensive wall
130 Playable Words can be made from "BULWARKS"
   2-Letter Words (9 found)
   6-Letter Words (5 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)