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