2 Syllables: SU
arches, artist, artless, barges, broadest, Cardiff, carnage, Carthage, cartridge, charges, Charles's, Doris, garbage, garnished, harness, Hollis, Jarvis, largeness, marches, marshes, Marxist, Maurice, ostrich, partridge, plaudits, polish, profits, Psalmist, Romish, Scottish, smartness, sonnets, sophist, tallest, tarnish, topics, tropics, varnish, Wallace, Wallis
3 Syllables: USU
4 Syllables: UUSU
5 Syllables: UUUSU
Found 52 words across 4 groupings. Skipped 10 excess words of a similar stem.