1 Syllable: S
aux, beau, beaux, blow, blown, blows, bo, boast, boat, bold, Boll, bolt, bone, both, bound, bout, bow, bowl, Bowles, bowls, bows, bro, broach, broke, brooch, Bros, cau, cho, choke, chose, chrome, cloak, clone, close, clothe, cloud, clout, clove, co, coach, coal, coast, coat, coax, code, Coke, cold, Cole, colt, comb, cone, cope, cote, cove, cowed, crow, crowds, Crowell, crowned, crows, doe, dole, dome, dope, dos, dose, doubt, dough, dove, doze, droll, drone, drought, drove, drowned, eau, Flo, float, flow, flown, flows, fo, foam, foe, fold, folk, found, fro, frowned, froze, ghost, globe, glow, go, goad, goal, goat, goes, Goethe, gold, gome, gout, groan, groat, grope, Gros, ground, grove, grow, grown, grows, growth, Haute, ho, hoax, hoe, hold, hole, Holmes, Holt, home, hone, hope, hose, host, hound, housed, hove, Joan, Joe, Joel, joke, jolt, Jones, Jos, Jove, knoll, know, Knowles, known, knows, Koch, load, loaf, loam, loan, loath, loathe, loaves, lobe, lone, Los, loud, lounged, low, Lowe, Lowell, lows, mo, moan, moat, mode, mold, mole, mon, most, mot, mote, mould, mound, mouthed, mow, mown, no, node, nose, note, Nov, o, oak, oat, oath, oats, ode, Oh, old, ole, ope, ost, out, owe, own, phone, plough, plowed, Poe, poke, pole, Polk, poll, Pope, pose, post, pound, pro, probe, prone, pros, prose, proud, quo, quote, quoth, retold, Rhode, Rhone, Roach, road, roam, roan, roast, robe, Roche, rode, roe, rogue, role, roll, Rome, Rome's, rope, rose, rote, round, roused, rout, route, rove, row, Rowe, rows, scold, scope, scout, scroll, sew, sewn, shoal, shone, shout, show, shown, shows, shroud, Sloan, Sloane, slope, sloth, slow, smoke, smote, snout, snow, so, soak, soap, sol, sole, soul, sound, sow, sown, sows, spoke, spout, sprout, Stoke, stole, stone, stout, stove, stow, Stowe, strode, stroke, stroll, strove, tho, those, though, throat, throes, throne, throw, thrown, throws, toad, toast, toe, told, toll, tome, tone, tout, tow, trop, troth, trout, vogue, vols, volt, vote, vowed, whole, woe, woke, wont, wound, wove, wrote, yo, yoke, yolk, zone
2 Syllables: SU
compound, console, cyclone, erode, Sharon, uno
2 Syllables: US
3 Syllables: SUU
3 Syllables: UUS
4 Syllables: UUUS

Found 478 words across 6 groupings. Skipped 219 excess words of a similar stem.