2 Syllables: SU
Bingham, Clinton, crimson, Cyprian, engine, England, England's, fearsome, Finland, hindrance, income, Indian, infant, Ingram, instance, instant, interim, kingdom, Kingston, kinsmen, Lincoln, Lincoln's, Linden, linen, minion, Miriam, miscreant, Pearson, pinion, Princeton, Simeon, Simmons, Simpson, stringent, Symonds, symptom, Syrian, Winston, women, women's, Wyndham
3 Syllables: USU
Assyrian, astringent, contingent, Corinthian, criterion, Darwinian, delinquent, delirium, distinction, dominion, experience, extinction, infringement, Justinian, Macpherson, Olympian, opinion, Shakespearean, Siberian, Virginian
4 Syllables: UUSU
5 Syllables: UUUSU
Found 66 words across 4 groupings. Skipped 23 excess words of a similar stem.