What is another word for "variation"?

Roget's Thesaurus (1911) lists these synonyms for "variation": ablude, all, alteration, and, another, apart, apple, bear, cast, chalk, change, characteristic, cheese, class, color, contradistinction, contrast, creativeness, daedal, daisy, delicate, differ, difference, different, differentia, differently, disagreement, discriminate, discrimination, discriminative, disparate, disparity, dissemblance, dissimilar, dissimilarity, distinction, distinctive, distinguishable, distinguishing, divaricate.