2 Syllables: SU
bouncing, bounding, bowing, browsing, counselling, counting, crouching, crowding, crowning, Dauphin, doubting, Downing, drowning, founding, foundling, fowling, frowning, grounding, housing, howling, lounging, mounting, mowing, outing, ploughing, plowing, pounding, prowling, rounding, rousing, routing, scouting, scowling, shouting, sounding, spouting, sprouting, towering, vowing
3 Syllables: USU
abounding, accounting, allowing, amounting, announcing, arousing, astounding, avowing, compounding, confounding, denouncing, dismounting, endowing, espousing, expounding, pronouncing, recounting, renouncing, resounding, surmounting, surrounding
4 Syllables: UUSU
Found 61 words across 3 groupings. Skipped 2 excess words of a similar stem.