1 Syllable: S
2 Syllables: SU
beauteous, bluish, bruises, brutish, Brutus, Buddhist, chooses, coolest, Coolidge, coolness, crudest, doeth, doings, Druids, dubious, Dumas, Eustace, fewest, fluids, foodstuffs, foolish, fruitless, fuses, groupings, humans, Jewish, Judas, Judith, Julius, Lewes, Lewis, looseness, loses, Louis, Lucas, Lucius, lupus, moorings, mucous, mucus, Muses, musings, newest, newness, Newton's, nucleus, plumage, Rubens, rudeness, rudest, Rufus, ruins, rulings, ruthless, sewage, shrewdness, smoothness, soonest, studious, toothless, truest, Tunis, usage, useless, uses
3 Syllables: USU
ablutions, abuses, abusive, accuses, acuteness, allusions, aloofness, amuses, communis, conclusions, conclusive, conducive, Confucius, confuses, confusions, deduces, delusions, delusive, diffuses, effusions, elusive, exclusive, excuses, illusions, illusive, inclusive, induces, intrusions, intrusive, obtrusive, produces, reduces, refuses, solutions, Vesuvius
4 Syllables: UUSU
constitutions, contributions, distributions, evolutions, executions, inconclusive, institutions, introduces, prosecutions, reproduces, resolutions, revolutions, substitutions, unobtrusive
5 Syllables: UUUSU
Found 116 words across 5 groupings. Skipped 1 excess word of a similar stem.