Antithesis rhymes with:
hypothesis, synthesis, analysis, archdiocese, caucasus, dialysis, electrolysis, emphasis, genesis, hydrolysis, hypothesis, metamorphasis, metamorphosis, morphogenesis, paralysis, pegasus, psoriasis, psychoanalysis, synthesis, thomasas
Antithesis sounds like:
amadeus, amanda's, amandas, amato's, amdec, amdek, amedco, amends, amenities, ametek, ametek's, ammonites, amniotic, amounts, amtech, andes, andis, ands, andy's, animates, anitec, annotates, annuities, anodes, antczak, antec, antes, anthes, anthis, antic, antico, antics, antigay, antigua, antioch, antiochus, antique, antiques, antis, antitax, antkowiak, antos, antosh, ants, antsy, aunt's, aunts, aunts'