2 Syllables: SU
Bingham, Clinton, crimson, Cyprian, engine, England, England's, Finland, Gideon, hindrance, idiom, ilium, income, Indian, infant, Ingram, instance, instant, interim, kingdom, Kingston, kinsmen, Lillian, Lincoln, Lincoln's, Linden, linen, lithium, minion, Miriam, miscreant, pinion, Princeton, Scythian, Simeon, Simmons, Simpson, stringent, Symonds, symptom, Syrian, Vivian, Winston, women, women's, Wyndham
3 Syllables: SUU
3 Syllables: USU
Assyrian, astringent, contingent, Corinthian, criterion, Darwinian, delinquent, delirium, distinction, dominion, Elysium, experience, extinction, incipient, infringement, Justinian, meridian, oblivion, Olympian, opinion, Parisians, recipient, resilience, Shakespearean, Siberian, Sicilian, Virginian
3 Syllables: UUS
4 Syllables: UUSU
5 Syllables: UUUSU
Found 81 words across 6 groupings. Skipped 26 excess words of a similar stem.