difference

deviance, divergence

differentiability, discriminability, distinguishability

change, modification, variation

variability, variance

anomalousness, dichotomy, incompatibility, incongruence, incongruity, incongruousness, nonconformity

clash, collision, conflict, confliction, disaccord, discord, dissonance

combat, contention, strife, struggle

altercation, argument, bicker, falling-out, fight, kickup, misunderstanding, quarrel, set-to

amendment, correction, rectification, reform

conversion, deformation, distortion, metamorphosis, mutation, transfiguration, transformation

fluctuation, oscillation, shift

displacement, replacement, substitution

adjustment, modulation, regulation, tweak

redesign, redo