Words That Rhyme With "Tumulus" :

3 syllables:

bubalis, cumulous, cumulus, emulous, famulus, fumulus, hamulus, limulus, plumulose, ramulose, Romulus, scrupulous, squamulose, tremulous, tumulous

4 syllables:

5 syllables:

altocumulus, cirrocumulus, overscrupulous, stratocumulus