castle vs chess

castle and chess both are nouns.

Word	Noun	Adjective	Verb	Adverb
castle	Yes	No	Yes	No
chess	Yes	No	No	No

castle (noun)	chess (noun)
interchanging the positions of the king and a rook	a board game for two players who move their 16 pieces according to specific rules; the object is to checkmate the opponent's king
a large building formerly occupied by a ruler and fortified against attack	weedy annual native to Europe but widely distributed as a weed especially in wheat
(chess) the piece that can move any number of unoccupied squares in a direction parallel to the sides of the chessboard
a large and stately mansion

castle (verb)	chess (verb)
move the king two squares toward a rook and in the same move the rook to the square next past the king