2 Syllables: SU
boatman, bolton, bonum, bowen, bowman, broken, chosen, chromium, cloven, coachman, cogent, cohen, coleman, colon, corinth, florence, foreign, forum, frozen, golden, goldman, holden, homespun, laurence, laurent, lawrence, loathsome, logan, lonesome, modem, molten, moment, motion, notion, oaken, oakland, ocean, odium, olden, olson, omen, open, opium, orange, owen, poem, poland, postman, potent, potion, provence, quorum, quotient, rodents, roland, roman, rosen, rowland, slogan, sodium, solon, spoken, spokesman, stolen, swollen, token, torrent, totem, trojan, warrant, warren, wholesome, woven, yeoman, yeomen
3 Syllables: SUU
3 Syllables: USU
abhorrence, abhorrent, ammonium, atonement, beholden, betokened, commotion, component, condolence, corrosion, custodian, decorum, devotion, emboldened, encomium, encroachment, enrollment, enrolment, erosion, eulogium, explosion, exponents, ionian, mongolian, napoleon, napoleon's, newtonian, opponent, outspoken, petroleum, postponement, promotion, proponents, reopen, smithsonian, symposium, theologian, unbroken, unopened, unspoken, unwholesome, utopian
4 Syllables: UUSU
Found 126 words across 4 groupings. Skipped 30 excess words of a similar stem.