2 Syllables: SU
beaches, beeches, benches, blemish, breaches, breezes, ceaseless, ceases, checklist, cheeses, chemist, cherish, cleavage, clerics, creases, credits, Denis, Dennis, dentist, devilish, eases, Edith, Ellis, epics, Essex, ethics, fairest, fences, fetish, fiendish, Flemish, freest, freezes, garish, greenish, Harris, heedless, hellish, Kenneth, Kentish, leakage, leases, leeches, lenses, meekness, Memphis, menace, merits, nieces, Paris, parish, peaches, peevish, penis, pensive, perish, pieces, pleases, preaches, prelates, premise, Prentice, reaches, realism, realist, reddish, Regis, relics, relish, Rhenish, seemeth, seizes, senses, sheriff, sheriff's, sieges, speeches, spendthrift, steamships, Swedish, teaches, tennis, tenses, thesis, trenches, Venice, zenith
3 Syllables: SUU
3 Syllables: USU
adhesive, aesthetics, appendage, apprentice, assemblage, athletics, attentive, cohesive, condenses, cosmetics, defenses, defensive, diseases, dispenses, domestics, embellish, expenses, expensive, extensive, extremist, genetics, hysterics, idealist, incentive, intensive, inventive, kinetics, obstetrics, offenses, offensive, percentage, Poetics, polemics, preventive, releases, relentless, replenish, retentive, unblemished, uncleanness
3 Syllables: UUS
4 Syllables: UUSU
academics, apprehensive, comprehensive, epidemics, exegesis, inattentive, inexpensive, inoffensive, sacrilegious
Found 139 words across 5 groupings. Skipped 10 excess words of a similar stem.