culminate vs end

culminate is not a noun while end is a noun.

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

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

culminate: end, especially to reach a final or climactic stage
end: have an end, in a temporal, spatial, or quantitative sense; either spatial or metaphorical

Other hypernyms of culminate include cease, finish, stop, terminate.

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

Other hypernyms of culminate include terminate.

culminate (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

culminate (verb)	end (verb)
end, especially to reach a final or climactic stage	bring to an end or halt
rise to, or form, a summit	put an end to
bring to a head or to the highest point	have an end, in a temporal, spatial, or quantitative sense; either spatial or metaphorical
reach the highest altitude or the meridian, of a celestial body	be the end of; be the last or concluding part of
reach the highest or most decisive point