Idiocy rhymes with:
immediacy, immediacy, accuracy, adequacy, advocacy, agassi, almasy, argosy, aristocracy, autocracy, barkocy, biopharmacy, bureaucracy, candidacy, celibacy, confederacy, conspiracy, courtesy, degeneracy, delicacy, democracy, diplomacy, ecstasy, embassy, fallacy, fantasy, galasie, geodesy, hennessey, hennessy, heresy, hypocrisy, illegitimacy, illiteracy, immediacy, inaccuracy, inadequacy, intimacy, intricacy, jealousy, legacy, legitimacy, leprosy, literacy, lunacy, meritocracy, obstinacy, odyssey, papacy, pharmacy, piracy, pleurisy, policy, primacy, privacy, prophecy, secrecy, semisecrecy, spellacy, supremacy, surrogacy, theocracy
Idiocy sounds like:
idaho's, idea's, ideas, idec, idiotic, idiots, iodice, iodide's, iodides, it's, itasca, itch, itches, itchy, itek, ithaca, ithaca's, ito's, itochu, its, itsy, itzhak