Deciduous rhymes with:
arduous, ambiguous, arduous, conspicuous, contemptuous, contiguous, continuous, disingenuous, incongruous, ingenuous, innocuous, strenuous, tempestuous, tumultuous, vacuous, virtuous
Deciduous sounds like:
dakota's, dakotas, dataquest's, de-excites, decade's, decades, deceits, decides, decodes, dedicates, deducts, descoteaux, desiccates, destec, detects, diastase, dicots, dictates, didactic, digest's, digests, digitech, digitize, digits, dioxides, discotheque, discotheques, disgusts, diskettes, dissects, distasi, distasio, dockets, dogwoods, ducts, dugouts, dusts, dziedzic