break up vs end

break up is not a noun while end is a noun.

Word	Noun	Adjective	Verb	Adverb
break up	No	No	Yes	No
end	Yes	No	Yes	No

As verbs, end is a hypernym of break up; that is, end is a word with a broader meaning than break up:

Other hypernyms of break up include terminate.

As verbs, end is a hypernym of break up; that is, end is a word with a broader meaning than break up:

break up: close at the end of a session
end: have an end, in a temporal, spatial, or quantitative sense; either spatial or metaphorical

Other hypernyms of break up include cease, finish, stop, terminate.

As verbs, end is a hypernym of break up; that is, end is a word with a broader meaning than break up:

Other hypernyms of break up include terminate.

break up (noun)	end (noun)
	the part you are expected to play
	(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

break up (verb)	end (verb)
laugh unrestrainedly	bring to an end or halt
break or cause to break into pieces	put an end to
come to an end	have an end, in a temporal, spatial, or quantitative sense; either spatial or metaphorical
separate (substances) into constituent elements or parts	be the end of; be the last or concluding part of
cause to go into a solution
cause to separate
close at the end of a session
bring the association of to an end or cause to break up
make a break in
set or keep apart
break violently or noisily; smash
attack with or as if with a pickaxe of ice or rocky ground, for example
release ice
destroy the completeness of a set of related items
take apart into its constituent pieces
suffer a nervous breakdown
disband
to cause to separate and go in different directions
discontinue an association or relation; go different ways