variance vs variable

variance and variable both are nouns.

Word	Noun	Adjective	Verb	Adverb
variance	Yes	No	No	No
variable	Yes	Yes	No	No

variance (noun)	variable (noun)
an activity that varies from a norm or standard	a quantity that can assume any of a set of values
an official dispensation to act contrary to a rule or regulation (typically a building regulation)	a symbol (like x or y) that is used in mathematical or logical expressions to represent a variable quantity
a difference between conflicting facts or claims or opinions	something that is likely to vary; something that is subject to variation
the quality of being subject to variation	a star that varies noticeably in brightness
the second moment around the mean; the expected value of the square of the deviations of a random variable from its mean value
discord that splits a group
an event that departs from expectations

variance (adjective)	variable (adjective)
	liable to or capable of change
	(used of a device) designed so that a property (as e.g. light) can be varied
	marked by diversity or difference