2 Syllables: SU
almond, aren, Auckland, auction, audience, Austin, autem, autumn, awesome, blossom, Boston, bottom, Brabant, broaden, caution, Cochrane, column, common, cotton, Dawson, Dobson, doctrine, Falkland, fallen, foreign, gotten, Hobson, Holland, Lawson, Nostrand, nostrum, often, Ogden, option, outcome, oxen, ploughman, pollen, problem, province, quadrant, Robin, rostrum, rotten, Scotchman, Scotland, Scotsman, shotgun, sodden, Sodom, soften, solemn, sovereign, squadron, Stalin, Stockton, thousand, trodden, Watson, Watson's
3 Syllables: USU
100, adoption, allotment, allowance, befallen, concoction, downtrodden, endowment, forgotten, precaution, uncommon, untrodden
Found 72 words across 2 groupings. Skipped 25 excess words of a similar stem.