2 Syllables: SU
Deborah, deference, emerald, Everett, Federal, general, preference, reference, Reverend, settler, temperance, temperate, veteran
3 Syllables: SUU
arrogance, arrogant, Arundel, baronet, bearable, Benjamin, betterment, blessedness, carriages, cellular, cerebral, Clarendon, clerical, cleverness, credible, credited, creditor, credulous, decadence, decadent, decimal, decorous, deficit, definite, delegate, delicate, denizens, deserter, desolate, detriment, edible, edifice, edited, editor, Egerton, Eleanor, elegance, elegant, element, elephants, eloquence, eloquent, Emerson, emigrant, eminence, eminent, Emperor, endurance, engenders, entrances, enviable, equable, estimate, etiquette, Evanston, Evelyn, evidence, evident, excellence, excellent, excrement, exodus, exquisite, Federalist, feminine, festival, firmament, flexible, garrulous, gelatin, genera, generous, Genesis, genital, gentleman, gentleman's, gentleness, gentlest, germinal, heavenward, Helena, helplessness, Henderson, Hereford, heritage, Jefferson, Jefferson's, Lebanon, lecturer, legible, mariner, Maryland, measurement, medical, medicine, membranous, mendicant, messages, messenger, Methodist, Mexican, nebulous, negligence, negligent, Netherlands, parable, paraffin, parentage, pedestal, Pegasus, Pelican, Pendleton, pendulum, pensioner, perilous, pestilence, pestilent, petulance, petulant, pleasanter, pleasantest, pleasantness, plentiful, plethora, precedence, precedents, preferable, prejudiced, premises, prevalence, prevalent, querulous, questioner, recklessness, redolent, regimen, regiment, Reginald, registers, regular, relevance, relevant, requisite, resinous, resonance, resonant, restlessness, retina, reverence, reverent, Saracens, sectional, secular, sediment, seminal, Senator, Seneca, sensible, sensual, sensuous, sentences, sentiment, sentinel, sepulchre, sepulture, settlement, several, severance, skeletal, skeleton, skeptical, specimen, spectacle, stepmother, tempera, temperament, temperature, temporal, tenable, tenderness, tenement, tentacles, tenuous, terminus, terraces, terrible, Testament, tetanus, treacherous, treasurer, tremulous, variable, vegetable, venison, venomous, ventricle, venturesome, Westerners, Xenophon
Found 212 words across 2 groupings. Skipped 40 excess words of a similar stem.