Showing results for "convenience" instead. (You can only search for 1 word at a time unless you use the Storm or Mosaic Rhyme tools)
Or search: privy, device, gadget, widget, gimbal, latrine, patness, facility, gadgetry, injector, lavatory, appliance, contraption, contrivance, suitability
1 Syllable: S
Ian, leant
2 Syllables: SU
beacon, beaten, chieftain, Cleveland, credence, deacon, decent, deepen, demon, deviant, Eastman, Easton, eaten, Eaton, Eden, Eton, Freedman, freedmen, freedom, Freeman, Freeman's, frequent, Friedman, Grecian, Greenland, grievance, heathen, helium, legion, Leland, lenient, lesion, median, medium, Museum, Pekin, piquant, premium, prescience, reagent, reason, recent, refund, Regent, region, seaman, seamen, season, semen, sequence, Stephen, Steven, Sweden, sweeten, tedium, treason, treatment, weaken, Zealand
2 Syllables: US
Bodleian, Crimean, Korean, Lyceum, plebeian
3 Syllables: SUU
vehemence, vehement
3 Syllables: USU
accretion, achievement, adhesion, agreement, allegiance, Archdeacon, Armenian, Athenian, bereavement, Bohemian, Cartesian, chameleon, cohesion, comedian, completion, concealment, convenient, depletion, Ephesians, excretion, expedient, impeachment, indecent, infrequent, ingredient, magnesium, Norwegian, obedience, obedient, Phoenician, policeman, secretion, uneven, unfrequent, Venetian
3 Syllables: UUS
Athenaeum, Caribbean, European, mausoleum
4 Syllables: UUSU
antecedent, disagreement, disobedience, disobedient, epithelium, inconvenience, inconvenient, inexpedient, paroxysms
4 Syllables: UUUS
Epicurean
5 Syllables: UUUSU
Aristotelian, Elizabethan

Found 119 words across 9 groupings. Skipped 44 excess words of a similar stem.