Or search: comeuppance
1 Syllable: S
2 Syllables: SU
button, buxom, Buxton, cousin, Covent, Cullen, currants, currents, custom, dozen, Drummond, duction, Durham, Dutton, glutton, Hudson, Hudson's, Hutton, Justin, mutton, oven, Prussian, Putnam, Putnam's, roughened, Russian, Rutland, substance, suction, sudden, sullen, summon, suppliant, Sutton, Tuscan, twopence, upland, Upton, urine
3 Syllables: USU
4 Syllables: UUSU

Found 78 words across 4 groupings. Skipped 26 excess words of a similar stem.