visitation vs cataclysm

visitation and cataclysm both are nouns.

Word	Noun	Adjective	Verb	Adverb
visitation	Yes	No	No	No
cataclysm	Yes	No	No	No

As nouns, cataclysm is a hypernym of visitation; that is, cataclysm is a word with a broader meaning than visitation:

Other hypernyms of visitation include calamity, catastrophe, disaster, tragedy.

visitation (noun)	cataclysm (noun)
an official visit for inspection or supervision	an event resulting in great loss and misfortune
an annoying or frustrating or catastrophic event	a sudden violent change in the earth's surface
any disaster or catastrophe