culminate vs arrive at

culminate and arrive at both are verbs.

Word	Noun	Adjective	Verb	Adverb
culminate	No	No	Yes	No
arrive at	No	No	Yes	No

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

Other hypernyms of culminate include attain, gain, hit, make, reach.

culminate (verb)	arrive at (verb)
end, especially to reach a final or climactic stage	reach a destination, either real or abstract
rise to, or form, a summit
bring to a head or to the highest point
reach the highest altitude or the meridian, of a celestial body
reach the highest or most decisive point