Or search: ban, fiat, edict, decree, revise, rewrite, revisal, revising, revision, enactment, rewriting, prohibition, proscription, jurisprudence
2 Syllables: SU
clearest, edict, Egypt, Felix, freest, Friedrich, helix, lyric, Phoenix, prefix, realist, scenic, secret, spirit
3 Syllables: USU
acetic, albeit, collegiate, extremist, idealist, satiric, strategic
3 Syllables: UUS
idealists
4 Syllables: UUSU
panegyric
5 Syllables: UUUSU
encyclopedic

Found 24 words across 5 groupings. Skipped 7 excess words of a similar stem.