Words That Rhyme With "Rhomboideus" :
3 syllables:
Claudius, gladius, hideous, odious, Phidias, radius, studious, tedious, Thaddeus
4 syllables:
chlamydeous, commodious, fastidious, insidious, invidious, melodious, perfidious, triradius
5 syllables:
achlamydeous, circumradius, dichlamydeous, incommodious, unmelodious