2 Syllables: SU
blushes, bulbous, clutches, Duchess, dullness, dulness, earliest, justice, Justus, lustrous, roughest, roughness, rushes, Russia's, spurious, touches, toughest, toughness, ugliest
3 Syllables: SUU
3 Syllables: USU
Found 26 words across 3 groupings.