instance vs natural event

instance and natural event both are nouns.

Word	Noun	Adjective	Verb	Adverb
instance	Yes	No	Yes	No
natural event	Yes	No	No	No

As nouns, natural event is a hypernym of instance; that is, natural event is a word with a broader meaning than instance:

Other hypernyms of instance include happening, occurrence, occurrent.

instance (noun)	natural event (noun)
an item of information that is typical of a class or group	an event that happens
an occurrence of something

instance (verb)	natural event (verb)
clarify by giving an example of