1) Changeability 2) Changeableness 3) Flexibility 4) Mutability 5) Uncertainty 6) Variableness 7) Variance 8) Volatility 1) Jaggedness 2) Patchiness 3) Unevenness 4) Variableness 5) Variation 6) Variedness 7) Variegation 
• (n.) The quality or state of being variable; variableness. • (n.) The power possessed by living organisms, both animal and vegetable, of adapting themselves to modifications or changes in their environment, thus possibly giving rise to ultimate variation of structure or function.
the state of being variable.
The state of being variable. ... (18 Nov 1997) ... 
(var″e-ә-bil´ĭ-te) the state of being variable.
The property or ability of an organism to change its characteristics from one generation to the other.
Va`ri·a·bil'i·ty noun [ Confer French variabilité .] 1. The quality or state of being variable; variableness. 2. (Biol.) The power possessed by living organisms, both animal and vegetable, of adapting themselves to modifications or changes in their environment, thus pos...
Type: Term Pronunciation: var′ē-ă-bil′i-tē Definitions: 1. The capability of being variable. 2. In genetics, the potential or actual differences, either quantitative or qualitative, in phenotype among individuals.
[n] - the quality of being subject to variation
variableness noun the quality of being subject to variation