2 Syllables: SU
Ceres, cheerfully, cheery, clearly, dearly, decrease, dreary, eerie, Erie, fiercely, fieri, iri, merely, nearly, Petri, queried, queries, query, series, Siegfried, theories, theory, wearied, weary, wiry, yearly
3 Syllables: USU
Found 30 words across 2 groupings. Skipped 1 excess word of a similar stem.