2 Syllables: SU
barest, barracks, carrots, chestnuts, crevice, eldest, epochs, ferrous, freshest, headless, heiress, helpless, jealous, Lennox, Lenox, lettuce, menace, merest, merits, necklace, parrots, pellets, pelvis, precious, PREFACE, premised, rarest, reckless, restless, selfless, sheriff, tariff, tenets, tennis, terrace, trellis, trespass, Venice, wealthiest, zealots, zealous
3 Syllables: USU
asbestos, demerits, develops, embarrass, envelops, impetuous, incestuous, inherits, Marcellus, rebellious, umbrellas, Vincennes
Found 53 words across 2 groupings. Skipped 7 excess words of a similar stem.