endgame vs end

endgame and end both are nouns.

Word	Noun	Adjective	Verb	Adverb
endgame	Yes	No	No	No
end	Yes	No	Yes	No

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

endgame: the final stages of a chess game after most of the pieces have been removed from the board
end: the final stage or concluding parts of an event or occurrence

Other hypernyms of endgame include last.

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

Other hypernyms of endgame include last.

endgame (noun)	end (noun)
the final stages of a chess game after most of the pieces have been removed from the board	the part you are expected to play
the final stages of an extended process of negotiation	(American football) a position on the line of scrimmage, designating players at each end of the defensive line
	a piece of cloth that is left over after the rest has been used or sold
	a final part or section
	the state of affairs that a plan is intended to achieve and that (when achieved) terminates behavior intended to achieve it
	the last section of a communication
	the final stage or concluding parts of an event or occurrence
	either extremity of something that has length
	a boundary marking the extremities of something
	the surface at either extremity of a three-dimensional object
	one of two places from which people are communicating to each other
	(football) the person who plays at one end of the line of scrimmage
	a final state
	the point in time at which something ends

endgame (verb)	end (verb)
	bring to an end or halt
	put an end to
	have an end, in a temporal, spatial, or quantitative sense; either spatial or metaphorical
	be the end of; be the last or concluding part of