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