1 Syllable: S
Deus
2 Syllables: SU
aegis, beaches, biggest, bigots, billets, biscuits, bishops, bismuth, bridges, briefest, busiest, business, cheapest, cheapness, chiefest, Christmas, citrus, cleavage, dearest, deepest, devious, digits, dishes, easiest, epochs, fetus, fishes, fittest, foetus, frigates, genius, genus, grievous, Griffith, grimace, hillocks, isthmus, Jesus, keenest, keenness, kisses, leafless, leaflets, leakage, limits, listless, meanest, meanness, minutes, minutest, mischief, mistress, nearest, neatness, needless, Nicholas, nitrous, peaches, peanuts, Philips, pickets, pieces, previous, priestess, quibus, reaches, rebus, reflux, riches, richest, richness, ridges, rivets, seamless, sleepless, speaketh, specious, speeches, speechless, spinach, steepness, stiffness, sweetest, sweetness, swiftest, swiftness, switches, teaches, tedious, Theseus, thickets, tickets, treatise, treeless, venous, Venus, vicious, visage, viscous, vistas, weakest, weakness, witches, zealots
2 Syllables: US
3 Syllables: SUU
3 Syllables: USU
abstemious, ambitious, archbishops, arenas, assiduous, Aurelius, auspicious, bacillus, caprices, capricious, completeness, Cornelius, delicious, diseases, Dominus, egregious, elicits, Eusebius, exhibits, extremest, extremists, facetious, factitious, fictitious, forgiveness, ingenious, inhibits, Josephus, judicious, lascivious, Lucretius, machinist, malicious, Narcissus, nutritious, oblivious, obsequious, officious, pernicious, prodigious, prohibits, Prometheus, propitious, religious, seditious, severest, Severus, sincerest, suspicious, uniqueness, utilise
4 Syllables: UUSU
adventitious, avaricious, Dionysius, expeditious, homogeneous, incompleteness, injudicious, intravenous, irreligious, superstitious, surreptitious, unpropitious, unsuspicious
5 Syllables: UUUSU
Found 173 words across 7 groupings. Skipped 4 excess words of a similar stem.