Synonyms for Derivative (same or very similar meaning)
WordNet sense 1 (a financial instrument whose value is based on another security):
derivative instrumentWordNet sense 2 (the result of mathematical differentiation; the instantaneous change of one quantity relative to another; df(x)/dx):
differential, derived function, differential coefficient, first derivativeWordNet sense 3 (formed or developed from something else; not original):
derivedFrom the ODE community, based on WordNetadd/edit