spot pass vs passing game

spot pass and passing game both are nouns.

Word	Noun	Adjective	Verb	Adverb
spot pass	Yes	No	No	No
passing game	Yes	No	No	No

As nouns, passing game is a hypernym of spot pass; that is, passing game is a word with a broader meaning than spot pass:

spot pass: a pass to a designated spot on the field; the receiver should arrive at that spot the same time the ball does
passing game: (American football) a play that involves one player throwing the ball to a teammate

Other hypernyms of spot pass include pass, passing, passing play.

spot pass (noun)	passing game (noun)
a pass to a designated spot on the field; the receiver should arrive at that spot the same time the ball does	(American football) a play that involves one player throwing the ball to a teammate