4 Syllables: SUUU
dilatory, dormitory, laboratory, laudatory, mandatory, migratory, oratory, predatory, prefatory, preparatory, purgatory, statutory, transitory
5 Syllables: USUUU
compensatory, conciliatory, confirmatory, consolatory, contributory, declaratory, depository, derogatory, explanatory, exploratory, inflammatory, inhibitory, obligatory, observatory, prohibitory, reformatory, repository, retaliatory
Found 31 words across 2 groupings.