continue vs continuance

continue is not a noun while continuance is a noun.

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

continue (noun)	continuance (noun)
	the act of continuing an activity without interruption
	the property of enduring or continuing in time
	the period of time during which something continues

continue (verb)	continuance (verb)
exist over a prolonged period of time
continue talking
move ahead; travel onward in time or space
allow to remain in a place or position or maintain a property or feature
keep or maintain in unaltered condition; cause to remain or last
continue a certain state, condition, or activity
span an interval of distance, space or time
continue in a place, position, or situation
continue after an interruption
do something repeatedly and showing no intention to stop