2 Syllables: SU
Acad, acid, actress, adage, Adams, Allen's, aptness, Arab, arid, asses, Athens, Atlas, atoms, axis, badness, ballad, baptised, Baptist, barons, batches, blackened, blackest, blackness, blasted, cabbage, cabins, cactus, cannons, canons, captious, challenge, chaplains, chasms, chatted, classes, damage, dragons, factious, famines, fashioned, fashions, fastened, fastens, fathoms, fattened, flatness, flattened, gallons, gases, gladdened, gladness, glasses, granted, grasses, gratis, habeas, Hammond, hapless, happened, happens, happiest, lapis, lasted, Latins, lattice, maddened, madness, Madras, Magnus, mammoth, manage, masses, matches, mattress, package, padded, pallid, passage, passes, passions, patches, patted, phantoms, placid, planted, ragged, rapid, rations, Sabbath, saddened, saddest, sadness, salad, savage, scratches, slackened, slackness, slanted, spasms, status, talons, taxes, waggons, wagons
3 Syllables: SUU
3 Syllables: USU
assassins, bananas, compactness, contrasted, exactness, examined, examines, imagined, imagines, impassioned, molasses, oldfashioned, pianos
4 Syllables: UUSU
Found 119 words across 4 groupings. Skipped 11 excess words of a similar stem.