2 Syllables: SU
childish, climate, cyclic, cypress, diets, fineness, guises, ices, iris, Irish, Isaac, islet, mileage, nicest, nitric, prices, prizes, psychic, rises, scientists, sizes, slices, spices, stylish, vices, violet, whitish, wildest
3 Syllables: USU
advises, arises, arthritis, assizes, comprises, conciseness, decisive, derisive, despises, devices, disguises, divisive, incisive, inviolate, obliges, Osiris, suffices, surmises, surprises, unquiet
4 Syllables: UUSU
Found 51 words across 3 groupings. Skipped 2 excess words of a similar stem.