word \ multi \ castle \ ana \ hypho \ sphero \ non

ana hypho sphero non castle
again, against, back, up weave ball not
  • a large and stately mansion
  • a large building formerly occupied by a ruler and fortified against attack
  • (chess) the piece that can move any number of unoccupied squares in a direction parallel to the sides of the chessboard
  • interchanging the positions of the king and a rook