SQUARED is a playable word

square Scrabble® Dictionary

adjective
squarer, squarest
having four equal sides and four right angles; rigidly conventional
verb
squared, squaring, squares
to make square
83 Playable Words can be made from "SQUARED"
   2-Letter Words (11 found)
   3-Letter Words (25 found)
   6-Letter Words (1 found)
   7-Letter Words (1 found)