“Variance” or “Variants”—Which to use?

Definitions

What each term means

Same sound, different spellings and meanings, shown with a pronunciation guide for each term.

nounthe second moment around the mean; the expected value of the square of the deviations of a random variable from its mean value.
nounan official dispensation to act contrary to a rule or regulation (typically a building regulation).

No dictionary entry for this spelling — see the usage examples below for how it shows up in writing.

Usage

Real sentences for each spelling. Hover an example to copy it.

…unidentified modifier genes exist, making variance in the MC1R gene necessary,…
…is unbiased, and has a variance given by:
…their risk assessments), even after variance attributable to current mood and…
…the story, much of the variance hinges upon a fictional text…
…precision (the reciprocal of the variance) of a Gaussian measure.
This goes in variance against the vindictive Mahant (Chandra…
…useful procedure to reduce the variance of the spectrum (also called…
…experiments and the analysis of variance
there is a variance in age, the type of…
2) The voltage variance of activity due to multiple…

Non-produced and undeveloped variants
…algorithm was changed, producing "tweaked" variants TPy, TPypy and TPy6.
List of DSG variants
Across literature, a number of variants can be seen of Bokoni.
…or in their fire support variants as buffaloes, were amphibious tracked…
…cash machine, and various regional variants derived from trademarks on ATM…
Two transcript variants encoding different isoforms have been…
Current variants of the DSG will still…
…lengths for haplotypes surrounding rare variants loci, with a similar haplotype…
…manual transmission, especially on wet-clutch variants (due to electronics and hydraulic

Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions are drawn from WordNet.

Looking for a tool that handles this for you wherever you write?