Words That Rhyme With "Octamerous" :
3 syllables:
acarus, amorous, anchoress, anurous, apterous, cameral, cameras, Cameron, cancerous, cankerous, cantharus, clamorous, dimerous, glamorous, hammerless, humerus, humorous, languorous, Lazarus, mannerless, numerous, rancorous, rapturous, Samaras, saporous, slanderous, trimerous, valorous
4 syllables:
bicameral, cadaverous, decamerous, enamoredness, ephemeris, gynantherous, hexameral, hexamerous, isomerous, monomerous, pentamerous, polymerous, precancerous, tetramerous, tetrapterous, unglamorous