2 Syllables: SU
Brussels, bubble, buckle, bustle, chuckle, couple, cudgel, double, funnel, hovel, huddle, hustle, knuckle, Lovell, muddle, muffled, muscle, muzzle, puddle, puzzle, rubble, ruffle, Russel, Russell, Russell's, rustle, scuffle, shovel, shuffle, shuttle, smuggle, squirrel, struggle, stubble, subtile, subtle, supple, trouble, tunnel
3 Syllables: USU
Found 47 words across 2 groupings. Skipped 29 excess words of a similar stem.