1 syllable:
b-town, browne, bytown, chown, clown, crown, crowne, d-town, down, down-, downe, drown, frown, gown, j-crown, k-town, kauan, kaun?, lie-down, lown, mytown, noun, oughne, p-town, s-town, shoun, town, towne

2 syllables:
3blue1brown, a-town, adnoun, adown, around, ashdown, assclown, backdown, ballgown, bankstown, bardstown, baytown, beantown, beardown, beardstown, beatdown, bedgown, bestrown, blacktown, blastdown, blowdown, bluegown, boiled-down, bonetown, boomtown, boystown, boytown, bravetown, breakdown, bridgetown, bringdown, bro'town, brown-brown, brownstown, browntown, buff-brown, build-down, buy-down, buydown, c-town, cape-town, capetown, chitown, clampdown, climb-down, climbdown, close-down, closedown, colquhoun, come-down, comedown, cookstown, cooldown, count-down, countdown, cowtown, crackdown, cramdown, cross-town, crosstown, cutdown, dark-brown, decrown, diggstown, discrown, dogtown, downtown, drawdown, drop-down, dropdown, dufftown, dumbed-down, embrown, face-down, facedown, ferndown, fold-down, foodtown, freetown, frenchtown, gastown, georgetown, ghoultown, go-down, godown, gray-brown, greektown, greentown, grey-brown, greytown, hack-down, hadestown, hair-brown, half-crown, hand-down, hand-me-down, hands-down, hightstown, hillsdown, hoedown, hogtown, hold-down, holddown, holetown, hometown, hull-down, imbrown, intown, jamestown, jefftowne, johnstown, kick-down, kickdown, kingstown, knock-down, knockdown, kutztown, lansdowne, laydown, let-down, letdown, limetown, lock-down, lockdown, longtown, look-down, lookdown, lordstown, low-down, lowdown, markdown, mccoun, mccown, mcgown, mcquown, meltdown, midtown, milltown, miltown, mixdown, moorestown, motown, naptown, newtown, newtowne, nightgown, nut-brown, nutbrown, o-town, one-down, oynoun, pastedown, pat-down, patdown, pay-down, paydown, phasedown, piltdown, pinetown, playdown, playground, pottstown, princetown, pull-down, pulldown, pushdown, put-down, putdown, pynoun, queenstown, reach-me-down, renown, resoun, right-down, rub-down, rubdown, run-down, rundown, runtown, rust-brown, sandown, sandtown, seal-brown, seatown, setdown, shakedown, shinedown, shoot-down, shootdown, showdown, shut-down, shutdown, simtown, sit-down, sitdown, slowdown, smackdown, small-town, smalltown, smithtown, snuff-brown, southdown, spelldown, splashdown, stand-down, standdown, steeltown, steep-down, step-down, sundown, swans-down, swansdown, swingtown, take-down, takedown, tear-down, teardown, teltown, throw-down, throwdown, thumbs-down, tie-down, top-down, touch-down, touchdown, toytown, tracktown, trenchtown, turndown, uncrown, ungown, uptown, washdown, westtown, wigtown, wind-down, write-down, writedown, yaletown, yorktown, youngstown

3 syllables:
abbotstown, abbottstown, adamstown, allentown, allhallown, anytown, austintown, bandsintown, belchertown, blackish-brown, bordentown, broken-down, bunnytown, busytown, button-down, buttoned-down, cabbagetown, campbelltown, campbeltown, charlestown, charlottetown, chestnut-brown, chinatown, chocolate-brown, chukker-brown, cooperstown, copple-crown, dallastown, downingtown, dragontown, dressing-down, eatontown, eiderdown, francistown, funkytown, germantown, golden-brown, grahamstown, greenish-brown, hackettstown, hagerstown, half-a-crown, handed-down, harmontown, japantown, jollitown, lazytown, lennoxtown, levittown, lewistown, marrybrown, marshalltown, middletown, milliontown, morgantown, morristown, mummy-brown, norristown, olive-brown, orange-brown, out-of-town, overdrown, overtown, paramount+, pegged-down, provincetown, purple-brown, randalstown, reddish-brown, runaround, rusty-brown, scaled-down, shantytown, shiremanstown, silvertown, stanleytown, stripped-down, summertown, tarrytown, tawny-brown, thistledown, thomastown, tinseltown, trickle-down, trickledown, triple-crown, tumble-down, tumbledown, underdown, undergown, up-and-down, upside-down, upsidedown, upsidown, upsodown, urinetown, walkertown, watered-down, watertown, whiskeytown, whity-brown, williamstown, yellow-brown

4 syllables:
africatown, embassytown, koreatown, man-about-town, multimarkdown

5 syllables:
elizabethtown

6 syllables:
canterbury-bankstown