4 Syllables: SUUU
cautionary, cemetery, centenary, coronary, Dictionary, emissary, functionary, legendary, luminary, medullary, mercenary, millinery, missionary, necessary, ordinary, pulmonary, sanguinary, secretary, seminary, stationary, stationery, urinary, veterinary, visionary
5 Syllables: USUUU
confectionery, extraordinary, hereditary, imaginary, inflationary, precautionary, preliminary, probationary, reactionary, traditionary, unnecessary
6 Syllables: UUSUUU
Found 38 words across 3 groupings.