continuance vs rule

continuance and rule both are nouns.

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

As nouns, rule is a hyponym of continuance; that is, rule is a word with a more specific, narrower meaning than continuance:

Other hyponyms of continuance include clocking, longueur, residence time, span, stint, stretch, time scale, note value, time value, value.

continuance (noun)	rule (noun)
the act of continuing an activity without interruption	measuring stick consisting of a strip of wood or metal or plastic with a straight edge that is used for drawing straight lines and measuring lengths
the property of enduring or continuing in time	a principle or condition that customarily governs behavior
the period of time during which something continues	something regarded as a normative example
	a rule or law concerning a natural phenomenon or the function of a complex system
	a basic generalization that is accepted as true and that can be used as a basis for reasoning or conduct
	(mathematics) a standard procedure for solving a class of mathematical problems
	prescribed guide for conduct or action
	(linguistics) a rule describing (or prescribing) a linguistic practice
	directions that define the way a game or sport is to be conducted
	any one of a systematic body of regulations defining the way of life of members of a religious order
	dominance or power through legal authority
	the duration of a monarch's or government's power

continuance (verb)	rule (verb)
	keep in check
	decide with authority
	decide on and make a declaration about
	mark or draw with a ruler
	exercise authority over; as of nations
	be larger in number, quantity, power, status or importance
	have an affinity with; of signs of the zodiac