2 Syllables: SU
audit, broadest, caustic, chronic, colic, comic, conic, cosmic, Fawcett, frolic, frosted, Gothic, logic, Ovid, plaudits, polished, profit, Psalmist, Roderick, Slavic, sonic, sonnet, sophist, tallest, tonic, topic, tropic, wafted
3 Syllables: USU
abolished, admonished, agnostic, aquatic, astonished, atomic, carbolic, carbonic, chaotic, demolished, deposit, despotic, erotic, exhausted, exotic, geologic, harmonic, hydraulic, hypnotic, impoverished, Ionic, ironic, Islamic, laconic, Masonic, narcotic, neurotic, Platonic, quixotic, sardonic, spasmodic, symbolic, Teutonic, unpolished
4 Syllables: UUSU
alcoholic, apostolic, diagnostic, economic, electronic, embryonic, episodic, histrionic, idiotic, metabolic, microscopic, parabolic, patriotic, periodic, philanthropic, philosophic, physiologic
5 Syllables: UUUSU
7 Syllables: UUUUUSU
Found 82 words across 5 groupings. Skipped 8 excess words of a similar stem.