2 Syllables: SU
bloodless, buckets, bulbous, buttocks, buttress, couplets, Douglas, Duchess, dullest, dullness, dulness, justice, Justus, luckless, lustrous, muskets, oneness, pumice, puppets, roughest, stirrups, stomachs, toughest, troublous, turrets
3 Syllables: USU
Found 27 words across 2 groupings. Skipped 2 excess words of a similar stem.