2 Syllables: SU
blighted, blinded, cited, climate, cyclic, diets, eyelid, glided, guided, guises, hybrid, ices, Isaac, islet, knighted, Leipsic, Leipzig, lighted, linings, mileage, minded, plighted, prices, prided, prizes, psychic, righted, rises, risings, sided, sighted, sizes, slices, slighted, spices, strivings, tidings, vices, violet, winded, writings
3 Syllables: USU
advises, affrighted, alighted, arises, assizes, benighted, collided, comprises, confided, decided, decisive, delighted, derided, derisive, despises, devices, disguises, divided, divisive, excited, ignited, incisive, incited, indicted, inviolate, invited, misguided, obliges, presided, provided, reminded, requited, resided, shortsighted, subsided, suffices, surmises, surprises, United, unquiet
4 Syllables: UUSU
analyses, indecisive, reunited, subdivided, ultraviolet, undecided, undivided, uninvited, unprovided, unrequited
Found 91 words across 3 groupings. Skipped 2 excess words of a similar stem.