Here's what rhymes with itheses.
antitheses Words that almost rhyme with itheses
similes tyrannies litanies villainies infamies industries abilities affinities dignities symphonies bigotries trilogies trinities facilities utilities efficiencies exigencies aborigines divinities iniquities asymmetries civilities epiphanies infinities debilities activities deficiencies hostilities liabilities antiquities conspiracies malignancies indignities facsimiles stupidities acclivities inabilities nativities asininities possibilities capabilities disabilities contingencies festivities inefficiencies declivities delinquencies captivities incivilities readabilities probabilities proclivities collectivities impossibilities improbabilities implausibilities responsibilities incompatibilities