2 Syllables: SU
Arctic, artist, Bartlett, carpet, carted, Charlotte, charted, darkest, darted, farthest, garlic, Garnet, garnished, guarded, hardest, hardship, harlot, harnessed, harvest, hearted, largest, Margaret's, market, Marxist, parted, scarlet, sharpest, started, target, tarnished, varnished, yardstick
3 Syllables: SUU
3 Syllables: USU
Antarctic, bombarded, departed, discarded, imparted, incarnate, lethargic, regarded, retarded, uncharted, unguarded
4 Syllables: UUSU
Found 47 words across 4 groupings. Skipped 8 excess words of a similar stem.