1 Syllable: S
2, aix, as, bess, best, beth, bets, bless, blest, blew, bloom, blue, boo, boom, boon, boone, boost, boot, booth, boots, breast, breath, brest, brew, brooch, brood, broom, bruce, bruges, bruise, brute, bute, cess, checks, chef, cheques, chess, chest, chew, chez, choose, chu, chute, cleft, clew, clue, coo, cool, coon, coop, cou, coup, crest, crew, croup, crude, cruel, cruise, cruz, cube, cue, cus, cute, deaf, death, debts, decks, deft, des, desk, deuce, deux, dew, do, doom, dress, drew, droop, dual, duce, due, duel, dues, duke, dune, dupe, edge, eft, ers, ess, esse, etched, ewe, ex, fetch, feu, feuds, few, fledged, flesh, flew, flu, flue, flute, food, fool, fresh, fruit, fuel, fume, fuse, gets, gloom, glue, goo, goose, gould, grew, groom, groove, group, guess, guest, hedge, heft, hess, hesse, hew, hewn, hoof, hoop, hoot, hou, hue, huge, hugh, hughes, hume, ins, jeff, jest, jets, jew, jewel, jewelled, jewels, jews, jude, juice, jules, june, jus, jute, kew, knew, kuhn, las, ledge, left, les, lest, lets, lev, lew, lex, lieu, lieut, liu, loo, loom, loon, loop, loose, loot, lose, lou, luce, luke, luke's, lute, mesh, mess, metz, mew, mood, moon, moose, moot, move, mule, muse, mute, necks, nes, nest, nets, new, newell, news, next, noon, noose, nous, nude, ooo, ooze, pest, pets, pew, pledge, plume, pooh, pool, poole, pools, pres, presse, proof, prove, prune, que, quest, queue, ref, reft, rest, rev, rex, rood, roof, room, roost, root, rouge, route, rude, rue, rule, ruse, ruth, saith, says, school, scoop, screw, sects, sess, seth, sets, sex, shew, shewn, shews, shoe, shoot, shrew, sioux, sketch, sledge, slew, sloop, sluice, smooth, soo, soon, sooth, soothe, soup, sous, specks, spoon, spruce, steppes, steps, stew, stool, stoop, stress, stretch, strew, strewn, sue, suit, swoon, swoop, test, tex, text, theft, threats, threw, thro, through, to, tomb, too, tool, tooth, tres, troop, troupe, truce, true, truth, tu, tube, tude, tue, tune, two, use, usque, vest, vex, view, vous, wedge, west, west's, who, whom, whoop, who's, whose, womb, woo, woof, wound, wrecks, wrest, wretch, yes, yew, you, youths, zest, zeus, zoo, zu
2 Syllables: SU
2 Syllables: US
abdul, abreast, abstruse, abuse, accepts, accrue, accuse, acute, addressed, adduce, adepts, adieu, ado, affects, afresh, allege, allude, aloof, amuse, anew, approve, arrest, assess, assume, astute, attest, attuned, balloon, bamboo, begets, behest, behooves, bequest, bereft, buffoon, burlesque, cadets, calhoun, canoe, caress, cartoon, cocoon, collects, compressed, compute, conclude, conduce, confess, confuse, confute, connects, construe, consume, corrects, cortege, cortes, deduce, delude, depress, detects, detest, diffuse, dilute, directs, disprove, dispute, distress, disuse, divest, dragoon, egress, elects, elude, endued, enmeshed, ensue, entombed, erects, eschew, exclude, excuse, expects, express, festooned, festoons, fierceness, finesse, forgets, forsooth, francaise, grotesque, hindoos, imbued, immune, impressed, improve, impugn, impute, include, induce, infest, infuse, intrude, invest, lagoon, macbeth, midwest, misrule, misuse, molest, monsoon, neglects, noblesse, northwest, obsessed, obtrude, obtuse, oppress, outdo, outstretched, perfume, perplex, peru, peruse, platoon, pollute, possess, preclude, presume, produced, profess, profuse, progressed, protects, protrude, pursue, pursuit, quadrupeds, rebuke, recluse, recruit, redressed, reduce, reflects, refresh, refused, refute, regrets, remove, renew, renewal, renewed, renews, repress, reproof, reprove, repute, request, respects, resumed, review, revue, saloon, salute, seduce, selects, southwest, subdue, subsumed, success, suffused, suggest, suppress, taboo, tattoo, tempests, thereto, toulouse, transgress, uncouth, undo, undress, undue, unless, unmoved, unproved, unrest, untrue, untruth, unused, uproot, vignettes, withdrew
3 Syllables: SUU
3 Syllables: UUS
4 Syllables: UUUS

Found 590 words across 6 groupings. Skipped 256 excess words of a similar stem.