2 Syllables: SU
deadening, deafening, deference, leveling, meddling, preference, reckoning, reference, Reverend, settling, threatening, veteran, wrestling
3 Syllables: SUU
arrogance, arrogant, beckoning, bettering, decadence, decadent, denizens, detriment, editing, elegance, elegant, element, elephant, eloquence, eloquent, emigrant, eminence, eminent, entering, Evelyn, evidence, evident, feminine, festering, gelatin, Lebanon, lessening, lettering, levelling, Maryland, measuring, medicine, menacing, negligence, negligent, paraffin, Pelican, pestilence, pestilent, petulance, petulant, precedence, precedents, prevalence, prevalent, reddening, redolent, regimen, regiment, relevance, relevant, resonance, resonant, revelling, reverence, reverent, Saracens, sediment, sentiment, severance, severing, skeleton, specimen, tenement, Testament, threatenings, trespassing, venison, weathering, welcoming, Xenophon
3 Syllables: USU
4 Syllables: USUU
beneficence, benevolence, benevolent, comparison, developing, discrediting, embarrassing, embarrassment, endeavouring, enveloping, experiment, impediment, inheritance, inheriting, intelligence, intelligent, irrelevant, irreverence, irreverent, malevolence, malevolent, preeminence, preeminent
4 Syllables: UUSU
Found 110 words across 5 groupings. Skipped 17 excess words of a similar stem.