1 Syllable: S
Beck, bed, beg, begged, begs, Bess, best, bet, bled, bless, blest, bread, breast, bred, Brest, cess, check, chef, cheque, chess, chest, cleft, crept, crest, cus, Czech, dead, deaf, debt, Dec, deck, deft, Dept, depth, des, desk, dread, dred, dregs, dress, EB, ebb, ed, eft, egg, ers, ess, esse, etched, f, fetch, flecked, fled, flesh, Fred, fresh, fret, get, Gregg, guess, guest, head, Heft, Hess, Hesse, het, ins, Jeff, jest, jet, keg, kept, las, lead, leaped, leapt, led, left, leg, legged, legs, les, lest, let, Lett, lettre, lex, Med, mesh, mess, met, Metz, neck, Ned, nes, nest, net, next, peck, peg, pep, pest, pet, press, Presse, ques, quest, read, rec, red, ref, reft, Reg, Rep, rest, ret, Rex, s, said, sec, sect, Sep, Sept, Sess, set, sett, sex, shed, shred, sketch, sled, slept, spec, speck, sped, spread, stead, step, stepped, steppes, steps, stress, stretch, sweat, swept, Tech, ted, test, tete, Tex, text, theft, thread, threat, tread, trek, tres, vest, vet, vex, web, Webb, webs, wed, wept, West, West's, wet, whet, wreck, wrest, wretch, X, Yes, yet, zest
2 Syllables: SU
address, annex, complex, compress, contest, convex, defect, digest, effects, excess, impress, object, offset, perfect, progress, project, protest, recess, redress, regress, reject, reset, subject, suspect, upset
2 Syllables: US
abreast, accept, addressed, adept, affect, afresh, ahead, arrest, assess, attest, Barnett, beget, behest, bequest, bereft, beset, brunette, burlesque, Burnett, cadet, caress, collect, compressed, confess, connect, coquette, cornet, correct, deflect, depress, detect, detest, direct, dissect, distress, divest, duet, effect, egress, eject, elect, enmeshed, erect, except, expect, express, Fayette, fierceness, finesse, forget, Gazette, grotesque, impressed, inept, infect, infest, inject, inspect, instead, invest, Midwest, misled, molest, neglect, noblesse, northwest, obsessed, oppress, outstretched, perplex, possess, profess, progressed, protect, quartet, Quebec, redressed, reflect, refresh, regret, repress, request, respect, select, southwest, success, suggest, suppress, tempests, Tibet, toilette, transgress, unchecked, undress, unless, unread, unrest, unsaid, vignette, widespread
3 Syllables: SUU
3 Syllables: UUS
acquiesce, Antoinette, cigarette, coalesce, coronet, dispossess, disrespect, incorrect, indirect, infrared, intercept, intersect, Lafayette, nonetheless, overhead, overspread, recollect, silhouette, SOS, tenderest, thoroughbred, unexpressed
4 Syllables: UUUS
Found 325 words across 6 groupings. Skipped 119 excess words of a similar stem.