Or search: bump, expel, spike, assign, banish, demote, submit, depute, classify, delegate, sideline
4 Syllables: SUUU
abrogated, barricaded, celebrated, corrugated, decimated, decorated, desolated, devastated, educated, elevated, emanated, emigrated, estimated, federated, generated, instigated, irrigated, meditated, mitigated, navigated, obligated, penetrated, predicated, propagated, renovated, segregated, separated, subjugated, venerated
5 Syllables: USUUU
accelerated, commemorated, confederated, degenerated, interrogated, investigated, perpetuated, premeditated, regenerated, unmitigated
6 Syllables: UUSUUU
overestimated, underestimated

Found 41 words across 3 groupings.