Derivatives rhymes with:
conservatives, conservatives', neoconservatives, preservatives, additives, alternatives, conservatives, conservatives', cooperatives, executive's, executives, executives', expletives, fixatives, imperatives, initiatives, laxatives, narratives, negatives, neoconservatives, operatives, palliatives, performatives, positives, prerogatives, preservatives, preventatives, relative's, relatives, representative's, representatives, representatives', superlatives