Ian, leant

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

Bodleian, Crimean, Korean, Lyceum, plebeian

vehemence, vehement

accretion, achievement, adhesion, agreement, allegiance, Archdeacon, Armenian, Athenian, bereavement, Bohemian, Cartesian, chameleon, cohesion, comedian, completion, concealment, convenience, convenient, depletion, Ephesians, excretion, expedient, impeachment, indecent, infrequent, ingredient, magnesium, Norwegian, obedience, obedient, Phoenician, policeman, secretion, uneven, unfrequent, Venetian

Athenaeum, Caribbean, European, mausoleum

antecedent, disagreement, disobedience, disobedient, epithelium, inconvenience, inconvenient, inexpedient, paroxysms

Aristotelian, Elizabethan