1 syllable:
'round, -bound, bound, browned, clowned, crowned, csound, downed, drowned, found, frowned, gowned, hound, lb, mound, pound, round, sj-sound, sound, stound, swound, towned, wound

2 syllables:
abound, aground, air-bound, all-round, allround, around, ask round, astound, background, barkbound, bearhound, bed-ground, bedground, bloodbound, boarhound, boozehound, brass-bound, brassbound, bring round, browbound, buckhound, campground, casebound, chairbound, chowhound, cloth-bound, clothbound, cofound, come round, compound, confound, consound, coonhound, crop-bound, dachshound, dashound, deerhound, desk-bound, deskbound, disbound, discrowned, dog pound, downbound, draghound, dumfound, earth-bound, earthbound, eastbound, egg-bound, elkhound, embrowned, enround, enwound, expound, facound, fairground, fogbound, foot-pound, foreground, foxhound, freesound, frost-bound, gepound, go-round, gold-bound, grave mound, grayhound, greyhound, gunbound, half-bound, half-round, hardbound, harehound, hellbound, hellhound, hidebound, hoarhound, home-bound, homebound, hoofbound, horehound, housebound, howlround, icebound, imbound, impound, inbound, inch-pound, infound, limehound, lobspound, lymhound, mahound, misground, missound, moon-round, new-found, newfound, newground, newshound, newsround, nursehound, outbound, outground, outsound, pine-crowned, playground, plott hound, pot-bound, potbound, prebound, profound, propound, pull round, qsound, raw wound, re-sound, rebound, redound, refound, renowned, resound, rewound, rock-bound, rockbound, rockhound, rootbound, rug-gowned, runround, seabound, showground, shunt-wound, sighthound, siteground, skinbound, sleuth-hound, sleuthhound, slothhound, slowhound, sluthhound, smooth-hound, smoothhound, snow-bound, snowbound, softbound, soundhound, southbound, speech sound, spell-bound, spellbound, staghound, starbound, stone-ground, stoneground, stormbound, strikebound, surround, top round, troy pound, turnround, unbound, uncrowned, unfound, ungowned, unground, unowned, unround, unsound, unwound, upbound, voiced sound, well-bound, well-found, westbound, whip-round, windbound, wolfhound, wood-bound, wrapround, year-round, yground

3 syllables:
above-ground, aboveground, afghan hound, aftersound, air-to-ground, all-around, axewound, basset hound, battleground, bellybound, belowground, black horehound, bob around, boss around, bottom round, bring around, british pound, bump around, bum around, casapound, cast around, circle round, clown around, come around, cpu-bound, daily round, decompound, directsound, drive around, duty-bound, eurohound, fantasound, figure-ground, fool around, freshlyground, gazehound, gazelle hound, getaround, get around, go-around, go around, hang around, homeward-bound, honor-bound, honour-bound, horse around, infrasound, interwound, irish pound, ironbound, irrenowned, jazz around, kick around, leather-bound, lie around, loll around, look around, lost-and-found, lounge around, lower bound, mess around, middle-ground, mill around, misexpound, moon around, mope around, move around, muck around, muscle-bound, musclebound, office-found, otterhound, otter hound, outward-bound, overground, overwound, paperbound, pass around, playaround, play around, pleasure-ground, puget sound, push around, quarter-bound, roll around, run-around, runaround, run aground, run around, safe and sound, sausage hound, scalebound, screen background, semiround, send around, sensurround, series-wound, shootaround, slosh around, slush around, sound-on-sound, spin around, spiral-bound, splash around, steeple-crowned, stick around, surrebound, swing around, tool around, triple-crowned, turnaround, turn around, twist around, ultrasound, unconfound, underground, upper bound, vowel sound, walker hound, walk around, waltz around, water-bound, weather-bound, weatherbound, wheel around, whirl around, white horehound, winter-ground, work-around, workaround, world-renowned, wrap-around, wraparound, year-around

4 syllables:
burial mound, cannibal mound, circle around, common horehound, cypriot pound, egyptian pound, electrosound, english foxhound, fetid horehound, georgenotfound, gill-over-the-ground, lebanese pound, long island sound, merry-go-round, merrygoround, monkey around, overabound, potter around, putter around, revolve around, sleeping around, stinking horehound, sudanese pound, superabound, syrian pound, walker foxhound, water horehound

5 syllables:
italian greyhound, supradecompound, the fox and the hound

6 syllables:
american foxhound, decemberunderground, theater-in-the-round, theaters-in-the-round, theater in the round, theatre-in-the-round, the other way around