2 Syllables: SU
Bingham, Clinton, crimson, engine, England, England's, Finland, hindrance, income, Indian, infant, Ingram, instance, instant, interim, Islam, kingdom, Kingston, kinsmen, Lincoln, Lincoln's, Linden, linen, Lisbon, lithium, minion, pinion, Princeton, Scythian, Simeon, Simmons, Simpson, stringent, Symonds, symptom, Vivian, Winston, wisdom, women, women's, Wyndham
3 Syllables: USU
abridgment, astringent, contingent, Corinthian, Darwinian, delinquent, distinction, dominion, Elysium, extinction, infringement, Justinian, oblivion, Olympian, opinion, Virginian
5 Syllables: UUUSU
Found 58 words across 3 groupings. Skipped 18 excess words of a similar stem.