Or search: smuggle, commodity, computing, merchandise, exportation, mercantilism, commercialism
2 Syllables: SU
boarded, corporate, florid, horrid, laureate, morbid, Norfolk, orbit, orchids, Ormond, orphaned, Portland, portrait, shortened, sordid, thwarted, torpid, torrid
3 Syllables: USU
afforded, apportioned, appropriate, contorted, deported, distorted, proportioned, recorded, reported, rewarded, supported, transported, Westmoreland

Found 31 words across 2 groupings. Skipped 2 excess words of a similar stem.