2 Syllables: SU
arden, ardent, aren, arson, aryan, austrian, bargain, barton, carbon, carleton, carlton, carson, charleston, charlton, clarkson, darken, foreign, garden, garland, garment, guardian, harden, harlem, hartmann, hearken, jargon, margin, marian, markham, marston, martin, martin's, parchment, pardon, parlance, parson, sargent, sergeant, serjeant, sharpen, spartan
3 Syllables: USU
4 Syllables: UUSU
Found 48 words across 3 groupings. Skipped 23 excess words of a similar stem.