castling short vs castle

castling short and castle both are nouns.

Word	Noun	Adjective	Verb	Adverb
castling short	Yes	No	No	No
castle	Yes	No	Yes	No

As nouns, castle is a hypernym of castling short; that is, castle is a word with a broader meaning than castling short:

Other hypernyms of castling short include castling.

castling short (noun)	castle (noun)
Castling on the kingside.	interchanging the positions of the king and a rook
	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
	a large and stately mansion

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