Synonyms and related words :
accessory, accident, accidental, added, addendum, addition, additional, adjunct, alien, ancillary, another, apart, appendage, appurtenance, autre chose, auxiliary, collateral, contingency, contingent, contributory, detached, different story, different thing, disconnected, discrete, disjunct, disparate, disrelated, dissimilar, dissociated, distant, divergent, diverse, else, exotic, extra, extraneous, farther, foreign, fresh, further, happenstance, incidental, incommensurable, incomparable, independent, inessential, insular, irrelative, isolated, mere chance, more, new, no such thing, nonessential, not that sort, not the same, not the type, not-self, of a sort, of another sort, of sorts, other than, otherwise, outlandish, peculiar, plus, quite another thing, rare, removed, renewed, secondary, segregate, separate, separated, something else, something else again, spare, special, strange, subsidiary, sui generis, superaddition, supernumerary, supplement, supplemental, supplementary, surplus, ulterior, unaffiliated, unalike, unallied, unassociated, unconnected, unequal, unessential, unique, unlike, unrelatable, unrelated