Or search: rom, module, storage, computer, register, connexion, retention, retrieval, anamnesis, remembering, remembrance, retentivity, recollection, reminiscence, confabulation
3 Syllables: SUU
centuries, century, century's, charities, destinies, elegies, Emery, enemies, enemy's, energies, energy, Genevieve, heresies, jealousies, legacies, melodies, memory, parodies, pedigrees, Pericles, plenary, recipes, remedies, reveries, sensory, tenderly, treasuries, verities
4 Syllables: SUUU
dispensary
4 Syllables: USUU
accessories, amenities, barbarities, disparities, exemplary, extempore, extremities, peremptory
4 Syllables: UUSU
elementary
5 Syllables: UUSUU
alimentary, complimentary, documentary, parliamentary, penitentiary, rudimentary, sedimentary, similarities, supplementary, testamentary
6 Syllables: UUUSUU
irregularities, peculiarities, plenipotentiaries

Found 51 words across 6 groupings.