Or search: grandness
2 Syllables: SU
diary, fiery, ivory, Priory
3 Syllables: SUU
binary, bribery, diocese, dynasties, dynasty, finally, finery, inquiry, irony, mightily, piety, piously, piracy, privacy, privately, quietly, righteously, vitally
3 Syllables: USU
enquiry
4 Syllables: USUU
advisedly, advisory, anxiety, decidedly, excitedly, propriety, psychiatry, refinery, reliably, sobriety, variety
5 Syllables: UUSUU
impropriety, indescribably, notoriety, supervisory, undeniably

Found 39 words across 5 groupings. Skipped 1 excess word of a similar stem.