end run vs running game

end run and running game both are nouns.

Word	Noun	Adjective	Verb	Adverb
end run	Yes	No	No	No
running game	Yes	No	No	No

As nouns, running game is a hypernym of end run; that is, running game is a word with a broader meaning than end run:

end run: (American football) an attempt to advance the ball by running around the end of the line
running game: (American football) a play in which a player attempts to carry the ball through or past the opposing team

Other hypernyms of end run include run, running, running play.

end run (noun)	running game (noun)
(American football) an attempt to advance the ball by running around the end of the line	(American football) a play in which a player attempts to carry the ball through or past the opposing team