Here's what rhymes with rigorosity.
callosity porosity precocity verbosity scrupulosity Words that almost rhyme with rigorosity
rosily locally globally probity cosily nosily poetry totally vocally focally zonally loathsomely lonesomely notably socially diplomacy hopefully potency cogency cogently laparotomy woefully boastfully brokenly dolefully immodesty notionally twopenny cozily leucotomy wholesomely soulfully soullessly atonally dozily emotionally hopelessly copiously reproachfully sociably immodestly misogamy thoracotomy irreproachably supposedly composedly outspokenly unemotionally antiphonally inconsolably uncontrollably antisocially