crisis vs occasion

crisis and occasion both are nouns.

Word	Noun	Adjective	Verb	Adverb
crisis	Yes	No	No	No
occasion	Yes	No	Yes	No

As nouns, occasion is a hypernym of crisis; that is, occasion is a word with a broader meaning than crisis:

Other hypernyms of crisis include juncture.

crisis (noun)	occasion (noun)
a crucial stage or turning point in the course of something	an event that occurs at a critical time
an unstable situation of extreme danger or difficulty	a formal or official social gathering or ceremony of people
	a rational motive for a belief or action
	an opportunity to do something
	the time of a particular event

crisis (verb)	occasion (verb)
	give occasion to