2 Syllables: SU
arches, Argus, artist, artist's, barges, carcase, carcass, carpets, Carthage, cartridge, darkest, darkness, Dartmouth, Doris, farthest, hardest, hardness, harmless, harness, harshness, harvest, heartless, Jarvis, largest, Marcus, Marius, markets, marshes, Marxist, partridge, sharpest, sharpness, targets, Tarsus, Yarmouth
3 Syllables: SUU
3 Syllables: USU
Found 37 words across 3 groupings. Skipped 2 excess words of a similar stem.