2 Syllables: SU
brigands, christened, fitted, frigid, glistened, hinted, influx, ingots, knitted, limit, liquid, listed, listened, minute, minutest, pitted, printed, quickened, rigid, ringlets, sickened, stiffened, Symonds, synods, thickened, trinkets, twisted, vivid, wicked, Winthrop
3 Syllables: USU
admitted, assisted, commissioned, conditioned, consisted, emitted, envisioned, existed, imprisoned, insipid, insisted, omitted, partitioned, permitted, petitioned, positioned, rescinded, resisted, submitted, transmitted
Found 50 words across 2 groupings. Skipped 4 excess words of a similar stem.