2 Syllables: SU
chorus, coarseness, cordage, corpses, corpus, courses, Doris, forest, Forrest, fortress, Georges, glorious, gorges, Horace, horses, Morris, mortgage, orbits, Orpheus, porches, porous, porridge, portage, portraits, Portsmouth, shortage, shortness, soreness, sources, storage, Taurus, tortoise, warmest
3 Syllables: USU
amorphous, censorious, enormous, inglorious, laborious, notorious, opprobrious, remorseless, Thesaurus, victorious
4 Syllables: UUSU
Found 45 words across 3 groupings. Skipped 3 excess words of a similar stem.