2 Syllables: SU
chorus, coarseness, cordage, Corinth, corpses, corpus, courses, Doris, dosage, doses, forest, Forrest, fortress, forums, Georges, glorious, gorgeous, gorges, Horace, horses, Morris, mortgage, motions, Noah's, notions, oceans, omens, opens, orange, Orpheus, Owens, poems, porches, porous, portage, Portsmouth, poses, postage, quotas, Romans, shortage, shortness, slogans, sofas, soreness, sources, storage, Taurus, tokens, tortoise, warmest
3 Syllables: SUU
3 Syllables: USU
amorphous, censorious, commotions, devotions, diplomas, enormous, explosions, inglorious, laborious, notorious, opprobrious, promotions, remorseless, theologians, Thesaurus, victorious
4 Syllables: UUSU
Found 70 words across 4 groupings. Skipped 4 excess words of a similar stem.