2 Syllables: SU
bumping, bunches, bungling, bunting, coming, crumbling, Cummings, cunning, drumming, dumping, frontage, fronting, fumbling, funding, grumbling, grunting, humbling, humming, hunting, jumping, lunches, mumbling, plumbing, plunges, plunging, pumping, pumpkin, punches, punching, rumbling, running, shunning, something, sponges, stumbling, stunning, summing, thumping, umbrage
3 Syllables: USU
4 Syllables: UUSU
Found 46 words across 3 groupings. Skipped 1 excess word of a similar stem.