4 Syllables: SUUU
cautionary, centenary, coronary, Dictionary, dysentery, functionary, literary, luminary, mercenary, military, millinery, missionaries, ordinary, pulmonary, sanguinary, seminary, stationary, stationery, urinary, veterinary, visionary
5 Syllables: USUUU
confectionery, discretionary, epistolary, extraordinary, imaginary, inflationary, itinerary, precautionary, preliminary, probationary, reactionary, traditionary
6 Syllables: UUSUUU
Found 36 words across 3 groupings.