2 Syllables: SU
bourbons, burdens, burgess, burnings, burnished, churches, church's, churlish, circus, courage, courteous, curses, curtains, curtis, earliest, earnest, earnings, ernest, firmest, firmness, flourish, furnace, furnish, furthest, furtive, germans, girlish, kerchief, merges, nervous, nourish, nurses, perches, perkins, perseus, persians, persons, purchase, purges, purplish, purpose, purses, scourges, searches, sermons, service, skirmish, spurious, sternest, sternness, surface, surgeons, surges, surplus, turbans, turkish, turnings, urchins, verses, versions, versus, virgins, worketh, workings, workman's, workmen's, worthiest, worthless, yearnings
3 Syllables: SUU
3 Syllables: USU
alertness, aspersions, assertions, assertive, coercive, conversions, desertions, determines, discourage, discursive, diversions, encourage, excursions, exertions, impervious, incursions, luxurious, perversions, researches, reverses, subversive, traverses
4 Syllables: UUSU
5 Syllables: UUUSU
Found 94 words across 5 groupings. Skipped 12 excess words of a similar stem.