Or search: purse, assets, margin, metric, cordage, peanuts, quantum, radical, coverage, decrease, interval, receipts, subtotal, aggregate, increment
2 Syllables: SU
bounded, clouded, counted, crowded, doubted, founded, grounded, hounded, mounted, ousted, pounded, rounded, routed, shouted, shrouded, sounded, sprouted, township
3 Syllables: USU
abounded, accounted, astounded, compounded, confounded, dismounted, recounted, resounded, surmounted, surrounded, unbounded, undoubted, unfounded

Found 31 words across 2 groupings. Skipped 1 excess word of a similar stem.