2 Syllables: SU
arches, artist, artless, audit, barges, broadest, Cardiff, carnage, Carthage, cartridge, caustic, charges, Charles's, chronic, colic, comic, conic, Doris, Fawcett, frolic, garbage, garnished, Gothic, harness, Hollis, Jarvis, largeness, logic, marches, marshes, Marxist, Maurice, ostrich, partridge, plaudits, polish, profit, Psalmist, Roderick, Romish, Scottish, Slavic, smartness, sonic, sonnet, sophist, tallest, tarnish, tonic, topic, tropic, varnish, Wallace, Wallis
3 Syllables: USU
abolish, admonish, agnostic, aquatic, astonish, atomic, carbolic, carbonic, chaotic, demolish, deposit, despotic, enlarges, erotic, exotic, geologic, harmonic, hydraulic, hypnotic, impoverish, Ionic, ironic, Islamic, laconic, Masonic, narcotic, neurotic, Platonic, quixotic, sardonic, spasmodic, symbolic, Teutonic, unpolished
4 Syllables: UUSU
alcoholic, apostolic, catastrophic, diagnostic, economic, electronic, embryonic, episodic, histrionic, idiotic, metabolic, microscopic, parabolic, patriotic, periodic, philanthropic, philosophic, physiologic
5 Syllables: UUUSU
7 Syllables: UUUUUSU
Found 109 words across 5 groupings. Skipped 18 excess words of a similar stem.