Or search: bid, plot, stir, bless, cabal, curse, evoke, plead, arouse, invoke, summon, adjure, beseech, provoke, beshrew
2 Syllables: SU
bombers, calmer, Chalmers, commerce, concert, concord, conjured, Connor, conquer, converse, convert, donner, 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 35 words across 3 groupings. Skipped 17 excess words of a similar stem.