S: (n) variance (variance%1:09:00::) (the second moment around the mean; the expected value of the square of the deviations of a random variable from its mean value)
S: (n) variance (variance%1:04:01::) (an official dispensation to act contrary to a rule or regulation (typically a building regulation)) "a zoning variance"
S: (n) variation (variation%1:04:00::), variance (variance%1:04:00::) (an activity that varies from a norm or standard) "any variation in his routine was immediately reported"