1 Syllable: S
2 Syllables: SU
beverage, deadening, deafening, hemorrhage, leveling, leverage, meddling, reckoning, settling, threatening, wrestling
3 Syllables: SUU
beckoning, bettering, crevices, decorative, editing, entering, equipage, Evelyn, festering, lessening, lettering, levelling, measuring, menaces, menacing, narrative, necklaces, negative, prefaces, reddening, relative, revelling, sedative, severing, terraces, trespassing, weathering
3 Syllables: USU
4 Syllables: USUU
competitive, correlative, developing, discrediting, embarrassing, endeavouring, enveloping, imperative, inheriting
5 Syllables: UUSUU
Found 51 words across 6 groupings. Skipped 6 excess words of a similar stem.