3 Syllables: SUU
audible, Chronicle, comical, conical, doggerel, hospital, laudable, logical, nautical, nominal, obstacle, optical, plausible, possible, probable, prodigal, topical, tropical, volatile
4 Syllables: USUU
abdominal, apocryphal, canonical, illogical, impossible, improbable, inaudible, inaugural, phenomenal, symbolical, zoological
5 Syllables: UUSUU
anatomical, apostolical, archaeological, astronomical, biological, categorical, chronological, diabolical, ecological, economical, ethnological, genealogical, geological, ideological, inexhaustible, ironical, microscopical, morphological, mythological, neurological, ontological, paradoxical, pathological, pedagogical, periodical, philological, philosophical, physiological, psychological, sociological, technological, theological
6 Syllables: UUUSUU
7 Syllables: UUUUSUU
Found 67 words across 5 groupings. Skipped 5 excess words of a similar stem.