2 Syllables: SU
bloodless, blushes, brushes, buses, buttons, buttress, clutches, cometh, comings, courage, cousins, coverage, crushes, crutches, Cummings, customs, cuttings, Douglas, dozens, druggist, judges, loveth, luckless, nothings, ovens, Prussians, publish, rubbish, rushes, Russians, Russia's, sluggish, stirrings, sufferings, suffrage, summons, tonnage, touches, troublous, ugliest, uplands, uplift
3 Syllables: USU
abruptness, constructive, deductive, destructive, discourage, discusses, discussions, disruptive, encourage, inductive, instructive, obstructive, productive, republished, seductive, unpublished
4 Syllables: UUSU
Found 61 words across 3 groupings. Skipped 7 excess words of a similar stem.