changeability vs variance

variance vs changeability

changeability and variance both are nouns.

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

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

changeability: the quality of being changeable; having a marked tendency to change
variance: the quality of being subject to variation

Other hyponyms of changeability include commutability, transmutability, fluidity, fluidness, reversibility, shiftiness, changefulness, inconstancy, variability, variableness, exchangeability, fungibility, interchangeability, interchangeableness, progressiveness, progressivity, mutability, mutableness.

changeability (noun)	variance (noun)
the quality of being changeable; having a marked tendency to change	an activity that varies from a norm or standard
	an official dispensation to act contrary to a rule or regulation (typically a building regulation)
	a difference between conflicting facts or claims or opinions
	the quality of being subject to variation
	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

Difference between changeability and variance

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