Or search: wales, hamlet, cambria
2 Syllables: SU
deviant, helium, lenient, median, medium, Miriam, premium, prescience, Syrian, tedium
3 Syllables: SUU
wearisome
3 Syllables: USU
Armenian, Assyrian, Athenian, Bohemian, chameleon, comedian, criterion, delirium, expedient, experience, imperium, ingredient, magnesium, obedience, obedient, Shakespearean, Siberian
4 Syllables: UUSU
disobedience, disobedient, epithelium, Hanoverian, inexpedient, inexperience, Presbyterian
5 Syllables: UUUSU
Aristotelian

Found 36 words across 5 groupings. Skipped 12 excess words of a similar stem.