Or search: ma, gibe, jibe, blend, mass., tally, accord, comity, concur, arrange, concede, consort, resolve, harmonize, subscribe
2 Syllables: SU
amore, bombers, calmer, Chalmers, commerce, concert, concourse, conjure, Connor, conquer, converse, convert, donner, encore, fonder, honor, Honore, honors, honour, longer, longterm, monster, onward, Palmer, ponder, Saunders, sauntered, somber, sombre, sponsor, squander, stronger, wander, yonder
3 Syllables: USU
dishonor, dishonour
4 Syllables: UUSU
Alexandre

Found 37 words across 3 groupings. Skipped 18 excess words of a similar stem.