Words That Rhyme With "Plumbous" :

2 syllables:

baba's, compass, cumbrous, Dundas, fundus, fungous, fungus, gummous, jambos, nimbus, rhombus, rumpus, thrombus, trumpets

3 syllables:

Columbus, encompass, iambus

4 syllables:

choriambus

5 syllables:

cumulonimbus