(n.) The quality of being changeable, or subject to change or alteration, either in form, state, or essential character\; susceptibility of change; changeableness; inconstancy; variation.

adaptability adjustability alterability caducity capriciousness changeability changeableness changefulness choppiness corruptibility dappleness death deviation difference differentiation disorder divarication divergence diversification ephemerality ephemeralness evanescence finitude fleetingness flexibility fluidity fugacity impermanence impermanency inconsistency inconstancy inequality instability irregularity jerkiness malleability mercuriality mobility modifiability momentariness mortality motleyness movability nonconformism nonconformity nonstandardization nonuniformity perishability permutability plasticity pluralism raggedness resilience rubberiness suppleness transience transiency transientness transitoriness unconformism unconformity unevenness unorthodoxy unsteadiness variability variation variegation variety variousness versatility volatility wavering