2 Syllables: SU
Austen, awning, barring, bawling, blocking, blotting, bobbing, bombing, bonding, Brahmin, brawling, calling, calming, causing, chopping, coffin, Collins, costing, coughing, crawling, cropping, crossing, dawning, dodging, drawing, dropping, falling, fawning, flaunting, flocking, flogging, galling, gnawing, Godwin, hauling, haunting, hawking, Hawkins, hopping, jarring, jogging, jostling, knocking, launching, locking, lodging, logging, lolling, longing, maudlin, mocking, modeling, nodding, nothin, offering, offing, pausing, plodding, plotting, popping, prodding, prompting, province, robbing, Robbins, Robin, rocking, rotting, sawing, scoffing, shocking, shopping, sobbing, spotting, sprawling, squatting, stalking, stocking, stopping, talking, taunting, thawing, throbbing, thronging, topping, tossing, trotting, Unwin, walking, wanting, washing, watching
2 Syllables: US
3 Syllables: USU
appalling, applauding, begotten, belonging, desponding, exhausting, installing, marauding, prolonging, recalling, responding, withdrawing
4 Syllables: UUSU
Found 106 words across 4 groupings. Skipped 13 excess words of a similar stem.