1 Syllable: S
4, arc, arch, arcs, ard, are, ark, arm, armes, arms, art, bar, barb, bard, barge, bark, barn, Barnes, barns, Barr, Barre, bars, Bart, boar, boards, boars, Boer, bore, born, borne, Bourne, car, cards, Carl, carp, Carr, cars, cart, carte, carts, carve, char, charge, Charles, charm, charred, chart, chord, chore, Clark, Clarke, Clarke's, Clark's, coarse, cor, cords, core, cork, corn, Corp, corpse, cours, course, court, Czar, dar, dark, darn, dart, door, dor, Dore, drawer, dwarf, far, farce, farm, fart, floor, for, Forbes, force, Ford, fore, forge, fork, form, forme, forms, fort, forte, forth, forts, four, fourths, gar, garb, gard, garde, George, gnarled, gore, gorge, gourd, guard, har, Hark, harm, harp, harsh, Hart, heart, hearth, hearts, hoar, hoards, hoarse, horde, horn, hors, horse, jar, jarred, jars, Karl, lar, larch, lard, large, lark, lor, lords, lore, lorn, mar, Marc, March, Marche, mark, marl, marred, Mars, marsh, mart, Marx, Moore, Moore's, mor, more, morn, Morse, mort, mourn, nor, norm, Norse, North, oar, or, orb, ord, ore, org, Orr, ort, our, par, parched, Park, Parke, parks, Parr, pars, part, parte, parts, por, porch, pore, pork, port, Porte, ports, pour, quart, quartz, R, roar, R's, sar, scar, scarf, scarred, scars, Schwartz, scorched, score, scorn, shark, sharp, Sharpe, shore, shorn, short, smart, snarl, snort, soar, sor, sore, sort, source, spar, spark, spars, sparse, spores, sport, star, starch, stark, Starr, stars, start, starve, store, stork, storm, Stuart, sward, swarm, sword, swore, sworn, tar, tarn, tarred, tart, Thor, thorn, Thorpe, thwart, tor, torch, tore, torn, Torre, tort, tours, toward, voir, war, wards, warm, warn, warp, wars, wart, wharf, whore, wore, worn, yard, yarn, yore, York, York's, your
2 Syllables: SU
2 Syllables: US
3 Syllables: SUU
Theodore
3 Syllables: UUS
4 Syllables: UUUS

Found 387 words across 6 groupings. Skipped 178 excess words of a similar stem.