variance
The act of varying or the state of being variable.
A difference between what is expected and what is observed; deviation.
The state of differing or being in conflict.
An official permit to do something that is ordinarily forbidden by regulations.
A discrepancy between two legal documents.
A departure from a cause of action originally in a complaint.
The second central moment in probability; the square of the standard deviation.
The number of degrees of freedom in a system.
Covariance and contravariance generally.
Sound Patterns & Rhymes
Alliteration
Words starting with the same consonant sound — used in poetry and prose to create rhythm, emphasis, and memorable phrasing (e.g. “Peter Piper picked”)
Assonance
Words sharing similar vowel sounds regardless of starting letter — creates internal melody in writing