2 Syllables: SU
blurring, blushing, booking, Brooklyn, brushing, bubbling, budding, bustling, buzzing, chuckling, clutching, coming, cooking, coupling, covering, crushing, Cummings, cunning, curing, cutting, doubling, drumming, Dublin, ducking, during, dusting, flooding, flushing, footing, Goodwin, grudging, gushing, hovering, hugging, humming, judging, juggling, Justin, jutting, looking, loving, luring, Muslim, nothing, plucking, plugging, plumbing, pudding, puffing, pulling, pushing, putting, puzzling, rubbing, running, rushing, Ruskin, rusting, rustling, scrubbing, shoving, shrugging, shunning, shutting, smuggling, spurring, stirring, struggling, strutting, stuffing, stunning, sucking, suckling, suffering, summing, thrusting, touching, touring, troubling, trudging, trusting, tugging, Turin
3 Syllables: USU
adjusting, alluring, assuring, becoming, censuring, concurring, conferring, deferring, discussing, disgusting, enduring, ensuring, entrusting, forthcoming, incurring, inferring, insuring, maturing, obscuring, occurring, preferring, procuring, reassuring, recurring, referring, securing, succumbing, transferring
4 Syllables: UUSU
Found 112 words across 3 groupings. Skipped 7 excess words of a similar stem.