Or search: ellas, greece
2 Syllables: SU
arches, argus, artist, artless, aug, august, auguste, barges, bogus, bonnets, bonus, boris, broadest, brokerage, carcase, carcass, cardiff, carnage, carthage, cartridge, caucus, cautious, charges, charles's, chorus, closeness, closest, closets, coarseness, coarsest, coleridge, comets, cordage, cornice, cornish, corpses, corpus, courses, darkest, darkness, dartmouth, droplets, farthest, flawless, focus, focussed, forage, forces, forest, forges, formless, forrest, fortress, garbage, garnished, georges, glorious, goblets, goddess, godless, gorgeous, gorges, gossips, grossest, grossness, hardest, hardness, harmless, harness, harshness, harvest, heartless, hollis, honest, hopeless, horace, horses, hostess, hottest, jarvis, jonas, josef, joseph, joseph's, knowest, largeness, largest, lawless, locus, locust, lois, lotus, lowest, lowness, marches, marcus, marius, marquess, marshes, marxist, maurice, modest, modus, morris, mortgage, mortis, moses, nauseous, nobis, noblest, norris, norwich, notice, novice, office, onus, opus, orbis, orpheus, ostrich, otis, partridge, paulus, plaudits, pockets, poets, polish, popish, porches, porous, porridge, portage, portsmouth, products, profits, prolix, promise, prophets, psalmist, raucous, rockets, romish, sawdust, scottish, sharpest, sharpness, shortage, shortest, shortness, slowest, slowness, smallest, smartness, sockets, solace, sonnets, sophist, soreness, sources, sportive, spotless, stoics, storage, tallest, tarnish, tarsus, taurus, thomas, thoughtless, topics, torches, tortoise, tropics, varnish, wallace, wallis, warmest, yarmouth
3 Syllables: SUU
3 Syllables: USU
4 Syllables: UUSU
5 Syllables: UUUSU

Found 230 words across 5 groupings. Skipped 22 excess words of a similar stem.