Words That Rhyme With "Proteus" :

3 syllables:

beauteous, copious, duteous, gluteus, luteous, Mobius, odious, opiates, piteous, pluteus

4 syllables:

Cambodia's, commodious, despiteous, dispiteous, Mauritius, melodious, popliteus, Procopius, utopias

5 syllables:

Ethiopia's, incommodious, unmelodious