2 Syllables: SU
bloodless, buffet, buttocks, buttress, couplets, covet, Douglas, Duchess, dullest, flooded, hubbub, justice, Justus, luckless, lustrous, musket, oneness, pumice, puppet, roughest, rugged, stirrup, stomach, Suffolk, summit, syrup, toughest, troublous, turret
3 Syllables: USU
Found 35 words across 2 groupings. Skipped 7 excess words of a similar stem.