Changeability vs Variability - What's the difference?
changeability | variability |
The quality of being changeable; changeableness.
*1999', "It was chilly that April, with the awkward '''changeability of English spring." — ''Stardust , Neil Gaiman, page 9 (2001 Perennial Edition).
the state or characteristic of being variable
the degree to which a thing is variable. In data or statistics this is often a measurement of distance from the mean or a description of data range.