Immediacy rhymes with:
idiocy, idiocy, 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, idiocy, illegitimacy, illiteracy, 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
Immediacy sounds like:
imitates, immunetech, immunities, immunomedic, immunomedics, inadequacies, inadequacy, index, index's, indexes, india's, indic, indica, indices, indicia, indies, indigo, indosuez, induce, induces, indus, indyk, initiates, inmate's, inmates, innuendoes, innuendos, intake, intex, intis, intuit's