perseveration vs continuance

perseveration and continuance both are nouns.

Word	Noun	Adjective	Verb	Adverb
perseveration	Yes	No	No	No
continuance	Yes	No	No	No

As nouns, continuance is a hypernym of perseveration; that is, continuance is a word with a broader meaning than perseveration:

perseveration: the act of persisting or persevering; continuing or repeating behavior
continuance: the act of continuing an activity without interruption

Other hypernyms of perseveration include continuation.

perseveration (noun)	continuance (noun)
the act of persisting or persevering; continuing or repeating behavior	the act of continuing an activity without interruption
the tendency for a memory or idea to persist or recur without any apparent stimulus for it	the property of enduring or continuing in time
	the period of time during which something continues