Or search: emit, fizz, foam, flash, froth, shine, spark, verve, bubble, lather, seethe, glisten, glitter, twinkle, glister
1 Syllable: S
Charles
2 Syllables: SU
Arnold, Arnold's, artful, Carmel, carnal, garbled, harmful, marble, Marshal, Marshall, Marshall's, marshals, martial, marvel, parcel, partial, snarled, sparkled, sparkles, startle
3 Syllables: USU
impartial
4 Syllables: UUSU
patriarchal

Found 23 words across 4 groupings. Skipped 6 excess words of a similar stem.