Or search: islam, nymph, islamism, mohammedanism, muhammadanism
2 Syllables: SU
bully, bushy, fully, furies, fury, goodly, juries, jury, pulley, purely, surely, woody, woolly
3 Syllables: USU
Missouri, obscurely, securely
4 Syllables: UUSU
prematurely

Found 17 words across 3 groupings.