Or search: seed, shoot, inform, inject, insert, enclose, inclose, immunise, propagate
3 Syllables: SUU
violated
4 Syllables: SUUU
calculated, circulated, desolated, emulated, formulated, granulated, insulated, isolated, mutilated, postulated, regulated, simulated, speculated, stimulated, stipulated, tabulated
4 Syllables: USUU
annihilated
5 Syllables: USUUU
accumulated, assimilated, capitulated, coagulated, congratulated, depopulated, expostulated, interpolated, manipulated, unregulated
6 Syllables: UUSUUU
recapitulated

Found 29 words across 5 groupings.