2 Syllables: SU
Arctic, artist, artless, Bartlett, Cardiff, carted, charted, darted, garlic, garnished, guarded, hardship, harness, hearted, Jarvis, largeness, Margaret, market, Marxist, parted, smartness, started, tarnish, varnish, yardstick
3 Syllables: SUU
3 Syllables: USU
Antarctic, bombarded, departed, discarded, imparted, lethargic, regarded, retarded, uncharted, unguarded
4 Syllables: UUSU
Found 41 words across 4 groupings. Skipped 7 excess words of a similar stem.