Or search: bag, fun, hum, brio, buzz, deed, dish, hunt, sink, soak, solo, vent, zing, burst, decay
3 Syllables: SUU
ministries, physically, rhythmically, rigidly
4 Syllables: USUU
activity, artistically, complicity, declivity, duplicity, ethnicity, Euripides, exquisitely, facilities, iniquities, passivity, plasticity, publicity, simplicity, specifically, statistically, Thucydides
5 Syllables: UUSUU
authenticity, catholicity, disabilities, disability, eccentricities, inactivity, liabilities, multiplicity, objectivity, periodicity, productivity, realistically, receptivity, scientifically, sensibilities, sensitivity, subjectivity
6 Syllables: UUUSUU
characteristically

Found 39 words across 4 groupings.