Or search: core, pole, device, physics, attracter, attractor, attraction, paramagnet, electromagnet
2 Syllables: SU
Abbot, Abbott, Acad, agate, badness, brackets, cabinet, Cabot, chatted, faggots, gladness, habeas, habit, jacket, madness, magnate, magnet, Magnus, packet, padded, paddock, patted, rabbit, ragged, rapid, sadness, tablet
3 Syllables: USU
attracted, distracted, elaborate, enacted, inhabit, reacted, retracted

Found 34 words across 2 groupings. Skipped 6 excess words of a similar stem.