1 Syllable: S
4, boar, boards, boars, Boer, bore, born, borne, Bourne, chord, chore, coarse, cor, cords, core, cork, corn, Corp, corpse, cours, course, court, door, dor, Dore, drawer, dwarf, floor, for, Forbes, force, Ford, fore, forge, fork, form, forme, forms, fort, forte, forth, forts, four, fourths, George, gore, gorge, gourd, hoar, hoards, hoarse, horde, horn, hors, horse, lor, lords, lore, lorn, Moore, Moore's, mor, more, morn, Morse, mort, mourn, nor, norm, Norse, North, oar, or, orb, ord, ore, org, Orr, ort, por, porch, pore, pork, port, Porte, ports, pour, quart, quartz, roar, Schwartz, scorched, score, scorn, shore, shorn, short, snort, soar, sor, sore, sort, source, spores, sport, store, stork, storm, sward, swarm, sword, swore, sworn, Thor, thorn, Thorpe, thwart, tor, torch, tore, torn, Torre, tort, tours, toward, war, wards, warm, warn, warp, wars, wart, wharf, whore, wor, wore, worn, yore, York, York's, your
2 Syllables: SU
Brewer, Brewster, cooler, Cooper, Cooper's, Cowper, cruder, cruiser, doers, escort, fewer, future, Hooper, Hoover, Hubert, humor, humour, import, junior, looser, loser, Lucerne, lucre, lunar, Luther, mover, Mueller, neuter, Newark, newer, nuclear, pewter, poorer, purport, record, ruder, ruler, rumor, rumour, Rupert, schooner, Schuster, Seward, sewer, smoother, sooner, steward, Stewart, Stewart's, Stuarts, stupor, suitor, super, transform, transport, trooper, truer, Tudor, tumor, tutor, Uber, user, viewer
2 Syllables: US
abhor, abhorred, abhors, aboard, absorb, accord, adore, adorn, afford, afore, ashore, athwart, award, Azores, before, comport, conform, consort, deform, deplore, discords, distort, divorce, endorse, enforce, exhort, explore, extort, forbore, forewarned, forlorn, fourscore, henceforth, ignore, implore, indorsed, inform, lukewarm, offshore, outdoors, outworn, pasteboard, perforce, perform, postwar, prewar, purports, rapport, reborn, reform, remorse, report, resort, restore, retorts, reward, rigours, Senor, support, thenceforth, therefor, transformed, transforms, unborn, unformed, vapours
3 Syllables: SUU
Theodore
3 Syllables: USU
accuser, computer, consumer, intruder, maneuver, manoeuvre, peculiar, producer, pursuer, reviewer, seducer, untutored, Vancouver
3 Syllables: UUS
anymore, heretofore, misinformed, reinforce, unadorned, underscored, unexplored, uninformed, untoward
Found 293 words across 6 groupings. Skipped 151 excess words of a similar stem.