2 Syllables: SU
80, ablest, ably, acreage, ages, aimless, alias, amos, amy, anus, aprons, aqueous, arabs, atheist, avis, babies, baby, baby's, bacon's, bailey, bailiff, baillie, baseless, baseness, basest, basins, basis, blameless, blazes, braces, brady, bravely, bravest, breakage, buenos, cages, caius, cases, casey, cations, changeless, changes, chases, clayey, cravings, crazy, daily, dainties, dainty, daisies, daisy, daly, danish, david's, davies, davis, davy, drainage, eighties, eighty, faces, facie, failings, faintest, faintly, faintness, faithless, famous, frailties, frailty, gaily, gauges, gayest, gayly, gazes, graceless, graces, gracious, gravely, gravy, grayish, greatest, greatly, greatness, greyish, hades, haiti, hastens, hastings, hasty, hatreds, havens, hazy, heinous, jacobs, james's, janus, laces, lacy, ladies, lady, lady's, lameness, lately, lateness, latest, lazy, maidens, mainly, makeshift, maketh, manus, masons, matrons, maybe, mayest, mazes, nameless, namely, nations, native, navies, navy, paces, pagans, pages, painless, paintings, paleness, paley, papist, pasty, patients, patrons, phases, phrases, places, plainest, plainly, plaintiff, plaintive, playthings, prairies, praises, quaintly, races, racist, racy, radius, rages, railings, rainy, raises, raisins, ranges, ratings, ravens, ravings, safely, safest, safety, sages, saintly, sameness, satan's, savings, sayings, scaly, shady, shaky, shameless, shapeless, shapely, shavings, slavish, spaces, spacious, stages, stainless, stately, stations, status, strangely, strangeness, strangest, taketh, tamely, tasteless, tasty, traces, tracy, vaguely, vagueness, vainly, vases, wages, wakefield, wastage, wavy, weighty, weymouth
3 Syllables: SUU
3 Syllables: USU
4 Syllables: UUSU
aberrations, acclamations, accusations, adaptations, advantageous, affirmations, aggregations, agitations, allegations, allocations, alterations, annotations, appellations, applications, aspirations, athanasius, avocations, calculations, celebrations, combinations, commendations, compensations, compilations, complications, computations, concentrations, confrontations, congregations, connotations, consolations, constellations, consultations, contemplations, conversations, corporations, correlations, declamations, declarations, decorations, delegations, demonstrations, depredations, deputations, derivations, designations, destinations, deviations, dislocations, dispensations, disputations, dissertations, efficacious, elevations, emanations, emendations, excavations, exclamations, exhalations, exhortations, expectations, explanations, explorations, fascinations, federations, fluctuations, formulations, generations, habitations, himalayas, illustrations, imitations, implications, importations, imprecations, imputations, incantations, inclinations, indentations, indications, informations, innovations, inspirations, installations, instantaneous, intimations, inundations, invitations, invocations, irritations, lamentations, limitations, machinations, meditations, ministrations, miscellaneous, miscellanies, motivations, nominations, obligations, observations, occupations, operations, oscillations, ostentatious, perforations, perturbations, populations, preparations, presentations, proclamations, protestations, provocations, publications, recitations, recreations, regulations, reparations, reputations, reservations, resignations, revelations, salutations, separations, simultaneous, situations, speculations, stipulations, subcutaneous, subterraneous, supplications, terminations, transformations, tribulations, undulations, usurpations, valuations, variations, vegetative, violations, visitations
5 Syllables: UUUSU
6 Syllables: UUUUSU
7 Syllables: UUUUUSU

Found 474 words across 7 groupings. Skipped 11 excess words of a similar stem.