2 Syllables: SU
bloodless, buckets, buffet, buttocks, buttress, couplets, covet, Douglas, Duchess, dullest, justice, Justus, luckless, luggage, lustrous, musket, oneness, pumice, puppet, roughest, stirrup, stomach, Suffolk, summit, syrup, toughest, troublous, turret, ugliest
3 Syllables: USU
Found 34 words across 2 groupings. Skipped 6 excess words of a similar stem.