Or search: mao, marx, marti, rebel, villa, marat, danton, zapata, guevara, radical, trotsky, rotatory, girondin, insurgent, girondist
4 Syllables: SUUU
dictionaries, functionaries, luminaries, luminary, mercenaries, missionaries, seminaries
5 Syllables: USUUU
preliminaries, reactionaries
6 Syllables: UUSUUU
evolutionary, revolutionary

Found 11 words across 3 groupings.