Words That Rhyme With "Polybius" :
3 syllables:
dubious, hideous, Hippias, idiots, Mobius, Phidias, piteous, rubious, scabious
4 syllables:
amphibious, despiteous, dispiteous, Eusebius, fastidious, incipience, indubious, insidious, insipience, invidious, Mauritius, Namibia's, perfidious, triphibious