2 Syllables: SU
bogus, boldest, boldness, bonus, Boris, chorus, choses, closeness, closes, closest, coaches, coldest, coldness, conic, copious, Doric, Doris, dosage, doses, dotage, focus, focussed, foliage, forest, Forrest, goeth, Goldsmith, grossest, grossness, Grotius, homeless, hopeless, Horace, hostess, Jonas, Jones's, Josef, Joseph, Joseph's, knowest, knoweth, locus, locust, Lois, lotus, lowest, lowness, modus, Morris, Moses, motive, Noah's, nobis, noblest, Norris, noses, notice, odious, oldest, onus, opus, Otis, poet, polish, Popish, porous, poses, postage, postscript, prolix, Proteus, quotas, Roebuck, roses, slowest, slowness, sofas, solace, soulless, Stoic, Taurus, voltage, votive, wholeness
3 Syllables: USU
approaches, atrocious, caloric, commodious, composes, corrosive, diplomas, discloses, disposes, encloses, erroneous, explosive, exposes, ferocious, harmonious, heroic, historic, imposes, inchoate, melodious, necrosis, neurosis, opposes, Potomac, precocious, prognosis, proposes, psychosis, remoteness, remotest, reposes, reproaches, supposes, Theodosius, Thesaurus, unnoticed
4 Syllables: UUSU
acrimonious, automotive, ceremonious, diagnosis, hydrochloric, locomotive, meteoric, parsimonious, prehistoric, presupposes
5 Syllables: UUUSU
Found 132 words across 4 groupings. Skipped 11 excess words of a similar stem.