cruciality vs criticality

cruciality and criticality both are nouns.

Word	Noun	Adjective	Verb	Adverb
cruciality	Yes	No	No	No
criticality	Yes	No	No	No

As nouns, cruciality and criticality are synonyms defined as:

Other synonyms of cruciality include criticalness.

cruciality (noun)	criticality (noun)
a state of critical urgency	a state of critical urgency
	a critical state; especially the point at which a nuclear reaction is self-sustaining