Words That Rhyme With "Rancorous" :
3 syllables:
acarus, amorous, anchorage, anchoress, Ankara's, cankeredness, cankerous, clamorous, glamorous, handkerchiefs, languorous, Lazarus, saporous, slanderous, valorous
4 syllables:
cadaverous, cantankerous, decamerous, hexamerous, octamerous, pentamerous, Protagoras, unglamorous