Or search: beam, enquire, inquire, transmit, broadcast
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, relegated, renovated, segregated, separated, subjugated, venerated
5 Syllables: USUUU
accelerated, commemorated, confederated, degenerated, investigated, perpetuated, premeditated, regenerated, unmitigated
6 Syllables: UUSUUU
overestimated, underestimated

Found 41 words across 3 groupings.