Periodic rhymes with:
episodic, melodic, miladic, modic, rhapsodic, rodick, acidic, angiomedic, bendick, benedek, benedick, bezdek, budick, bundick, burdick, caddick, chadick, chappaquiddick, comedic, cradic, dedic, dudek, dudik, edick, encyclopedic, episodic, ferrofluidic, fosdick, gazdik, godek, goedecke, gondek, hardick, hasidic, heraldic, hladik, houdek, hudec, hudek, icelandic, immunomedic, indic, indyk, intermedic, joedicke, landeck, liddick, ludeke, luedecke, lydic, lydick, maladich, mandich, medic, melodic, mendyk, miladic, milodic, modic, murdick, neddick, nendick, netherlandic, nomadic, nordic, orthopedic, paramedic, promilacidic, radich, radick, reddick, redic, redick, rhapsodic, riddick, rodick, ruddick, rudich, sadek, sephardic, sladek, spasmodic, sporadic, tadic, thorndike, tornadic, vandyk, widick, zaloudek, zidek
Periodic sounds like:
parades, paradis, paradise, paradiso, paradowski, paradox, paradoxes, pardus, paredes, paredez, paredis, parities, parodies, parretti's, parrots, part's, partake, partch, parties, parties', parts, parts', party's, partyka, pavarotti's, pepperidge, peratis, peratis', peretz, period's, periods, perot's, perots, peroutka, pertschuk, pertussis, pirate's, pirates, pirouettes, porridge, port's, portage, portec, portec's, porteous, portico, portis, ports, portuguese, portz, pradesh, prats, pratt's, predaceous, predates, pretax, pretties, prideaux, prides, priorities, prioritize, prioritizes, pritts, pritz, prodi's, prodigies, prodigious, prodigy, prodigy's, prods, produc, produce, produces, protease, protege, proteges, protozoa, protz, prudish