Or search: gibe, jibe, mate, twin, tally, backup, matched, twinned, geminate, matching, redouble, reproduce, correspond, duplication, recapitulate
4 Syllables: SUUU
advocated, allocated, educated, extricated, fabricated, implicated, indicated, mutilated, predicated, suffocated, vindicated
5 Syllables: USUUU
communicated, enumerated, eradicated, intoxicated, reciprocated, sophisticated, uncomplicated
6 Syllables: UUSUUU
unsophisticated

Found 19 words across 3 groupings.