2 Syllables: SU
barest, barracks, carrots, census, chestnuts, crevice, dentist, endless, envious, epochs, ferrous, freshest, friendless, headless, heiress, hemorrhage, jealous, Lennox, Lenox, lenses, lettuce, Memphis, menace, merest, merits, necklace, parrots, pellets, plenteous, precious, PREFACE, premised, rarest, reckless, restless, senseless, sheriff, tariff, tempest, tenets, tennis, terrace, trellis, trespass, Venice, zealots, zealous
3 Syllables: USU
apprentice, asbestos, assemblage, commences, compendious, consensus, contentious, defenceless, defences, defenseless, defenses, demerits, develops, dilemmas, embarrass, envelops, impetuous, incestuous, inherits, licentious, Marcellus, momentous, offences, percentage, portentous, pretences, pretentious, sententious, stupendous, tremendous, Vincennes
4 Syllables: UUSU
Found 80 words across 3 groupings. Skipped 8 excess words of a similar stem.