gambit vs chess move

gambit and chess move both are nouns.

Word	Noun	Adjective	Verb	Adverb
gambit	Yes	No	No	No
chess move	Yes	No	No	No

As nouns, chess move is a hypernym of gambit; that is, chess move is a word with a broader meaning than gambit:

gambit: a chess move early in the game in which the player sacrifices minor pieces in order to obtain an advantageous position
chess move: the act of moving a chess piece

gambit (noun)	chess move (noun)
a chess move early in the game in which the player sacrifices minor pieces in order to obtain an advantageous position	the act of moving a chess piece
a maneuver in a game or conversation
an opening remark intended to secure an advantage for the speaker