visitation vs catastrophe

visitation and catastrophe both are nouns.

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

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

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

visitation (noun)	catastrophe (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	a state of extreme (usually irremediable) ruin and misfortune