2 Syllables: SU
chorus, coarseness, copious, cordage, corpses, corpus, courses, Doris, forest, Forrest, fortress, Georges, glorious, gorgeous, gorges, Grotius, Horace, horses, Morris, mortgage, odious, orbits, Orpheus, porches, porous, porridge, portage, portraits, Portsmouth, Proteus, shortage, shortness, soreness, sources, storage, Taurus, tortoise, warmest
3 Syllables: SUU
3 Syllables: USU
amorphous, associates, censorious, commodious, enormous, erroneous, harmonious, inglorious, laborious, melodious, notorious, opprobrious, remorseless, Theodosius, Thesaurus, victorious
4 Syllables: UUSU
Found 60 words across 4 groupings. Skipped 3 excess words of a similar stem.