1 Syllable: S
2 Syllables: SU
aegis, beaches, beacons, briefest, cheapest, cheapness, chiefest, cleavage, deacons, deepens, deepest, demons, devious, easiest, eras, fetus, foetus, freedoms, freeman's, genius, genus, grievous, heathens, jesus, keenest, keenness, leafless, leakage, legions, lesions, meanest, meanness, museums, neatness, needless, peaches, peerage, pieces, previous, priestess, reaches, reasons, rebus, regions, seamless, seasons, sleepless, speaketh, specious, speeches, speechless, steepness, stephens, stevens, sweetest, sweetness, teaches, tedious, theorems, theseus, treatise, treeless, venous, venus, weakens, weakest, weakness
2 Syllables: US
3 Syllables: SUU
3 Syllables: USU
abstemious, accretions, aurelius, caprices, completeness, cornelius, diseases, dominus, egregious, ephesians, eusebius, extremest, extremists, facetious, ingenious, josephus, lucretius, machinist, norwegians, obsequious, phoenicians, prestigious, prometheus, secretions, uniqueness, venetians
4 Syllables: UUSU
5 Syllables: UUUSU
Found 103 words across 7 groupings. Skipped 3 excess words of a similar stem.