2 Syllables: SU
Bergen, Bertram, Bertrand, Bourbon, Bunsen, Bunyan, burden, Burnham, Burton, certain, churchman, churchmen, curtain, Drummond, drunken, Duncan, dungeon, earldom, earthen, ermine, fervent, function, German, Herman, Hermann, humdrum, huntsman, irksome, Irwin, junction, London, London's, luncheon, merchant, Merton, onion, Perkins, Persian, person, pumpkins, pungent, sermon, serpent, servant, Sherman, shrunken, someone, someone's, sturgeon, summon, sunken, surgeon, tungsten, turban, unction, urban, urchin, urgent, verdant, Vernon, version, virgins, workman, workman's, workmen's, worsened
3 Syllables: SUU
3 Syllables: USU
abundance, abundant, adjournment, aspersions, assertion, assumption, aversion, circumference, coercion, Columbian, compunction, conjunction, consumption, convergence, convergent, conversant, conversion, desertion, determine, deterrent, disbursement, discernment, dispersion, disturbance, divergence, divergent, diversion, encumbrance, excursion, exertion, immersion, incumbent, incumbrance, incursion, injunction, insertion, insurgent, inversion, luxuriant, Macpherson, observance, observant, perversion, presumption, recumbent, redundant, resumption, resurgence, reversion, subservience, subservient, suburban, subversion, triumphant, uncertain
4 Syllables: USUU
4 Syllables: UUSU
5 Syllables: UUUSU
Found 133 words across 6 groupings. Skipped 45 excess words of a similar stem.