2 Syllables: SU
audit, bondage, broadest, bronzes, caustic, chronic, colic, comic, conic, dauntless, Doris, Fawcett, frolic, Gothic, Hollis, launches, logic, longest, Maurice, omnis, ostrich, plaudits, polish, pontiff, profit, Roderick, Romish, Scottish, Slavic, sonic, sonnet, sophist, tallest, tonic, topic, tropic, Wallace, Wallis
3 Syllables: USU
abolish, accomplish, admonish, agnostic, aquatic, astonish, atomic, carbolic, carbonic, chaotic, demolish, deposit, despotic, erotic, exotic, geologic, harmonic, hydraulic, hypnotic, impoverish, Ionic, ironic, Islamic, laconic, Masonic, narcotic, neurotic, Platonic, quixotic, responses, responsive, 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, unresponsive
5 Syllables: UUUSU
7 Syllables: UUUUUSU
Found 96 words across 5 groupings. Skipped 16 excess words of a similar stem.