2 Syllables: SU
arches, arching, Arden, ardent, aren, argent, arming, arson, Aryan, Austrian, bargain, barges, barking, barring, Barton, carbon, Carleton, Carlton, Carmen, carnage, Carson, Carthage, cartridge, carving, charges, charging, Charles's, Charleston, Charlton, charming, charting, Clarkson, darken, darkening, darkens, darling, darting, Dartmouth, Darwin, Darwin's, farming, farthing, foreign, garbage, garden, gardening, gardens, garland, garment, guardian, guarding, harden, hardening, hardens, Harding, Harlem, harming, Hartmann, hearken, jargon, jarring, marches, marching, margin, Marian, Markham, marking, marshes, Marston, Martin, Marvin, parchment, pardon, parking, parlance, parson, parting, partridge, quarreling, Sargent, sergeant, Serjeant, sharpen, sharpening, smarting, snarling, sparkling, Spartan, starting, startling, starving, Yarmouth
3 Syllables: SUU
3 Syllables: USU
alarming, apartment, bombardment, compartment, departing, department, disarming, discarding, disheartened, disheartening, embarking, enlargement, enlarges, enlarging, imparting, regarding, remarking, retarding
4 Syllables: UUSU
Found 114 words across 4 groupings. Skipped 23 excess words of a similar stem.