1 Syllable: S
2 Syllables: SU
beacon, beaten, chieftain, cleveland, credence, deacon, decent, deepen, demon, deviant, eastman, easton, eaten, eaton, eden, eton, freedman, freedmen, freedom, freeman, freeman's, frequent, friedman, grecian, greenland, grievance, heathen, helium, legion, leland, lenient, lesion, median, medium, miriam, museum, pekin, piquant, premium, prescience, reagent, reason, recent, refund, regent, region, seaman, seamen, season, semen, sequence, stephen, steven, sweden, sweeten, syrian, tedium, treason, treatment, weaken, zealand
2 Syllables: US
3 Syllables: SUU
3 Syllables: USU
accretion, achievement, adhesion, agreement, allegiance, archdeacon, armenian, assyrian, athenian, bereavement, bohemian, cartesian, chameleon, cohesion, comedian, completion, concealment, convenience, convenient, criterion, delirium, depletion, ephesians, excretion, expedient, experience, impeachment, imperium, indecent, infrequent, ingredient, magnesium, norwegian, obedience, obedient, phoenician, policeman, secretion, shakespearean, siberian, uneven, unfrequent, venetian
4 Syllables: UUSU
antecedent, athenaeum, caribbean, disagreement, disobedience, disobedient, epicurean, epithelium, european, hanoverian, inconvenience, inconvenient, inexpedient, inexperience, mausoleum, paroxysms, presbyterian
5 Syllables: UUUSU
Found 133 words across 7 groupings. Skipped 49 excess words of a similar stem.