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