Here's what rhymes with regalias.
bacchanalias Words that almost rhyme with regalias
radius salience cutaneous radiance laziness irradiance craziness haziness raciness salients shakiness shadiness vagarious gradients patriots extraneous saintliness daintiness neighborliness hastiness leisureliness flakiness ungainliness tastiness pastiness spaciness miscellaneous spontaneous compatriots percutaneous simultaneous subcutaneous contemporaneous extemporaneous