1 syllable:
-zoon, beaune, boon, boone, broon, broun, bruen, brune, bruun, buhne, choon, clune, coon, coone, croon, doone, doune, dune, gewoon, goon, gruen, grune, heun, hewn, hoon, joon, june, keune, khuen, koon, koone, kroon, kuehn, kuehne, kuhn, loon, mhoon, moon, moone, noon, noone, pl-01, poon, prune, rd-701, roone, rune, schoon, scoon, shewn, shoen, shoon, soon, soune, spoon, strewn, suen, swoon, thune, toon, toone, troon, tune, yoon

2 syllables:
11001001, aboon, ajloun, antoon, antun, aoun, artoon, astun, aswoon, attune, aucune, babboon, baboon, badoon, balloon, baloon, banoun, barloon, barun, barzun, bassoon, batoon, batroun, bedoon, bestrewn, bethune, blue moon, bookboon, bosthoon, bradoon, bridoon, buffoon, c-301, cacoon, cahoon, calhoon, calhoun, cancun, cantoon, cardoon, cartoon, ceroon, co-une, coccoon, cocoon, cohoon, cohune, comune, coroun, corroon, crampoon, cva-01, dahoon, dekroon, dioon, disjune, doubloon, dunoon, duntroon, eftsoon, empugn, falcoon, festoon, fine-tune, floroon, fullmoon, full moon, gaboon, gadroon, galloon, gambroon, gipoun, godroon, gombroon, gossoon, grinspoon, hachiun, half-moon, hamdoon, hand-hewn, haroon, haroun, harpoon, harroun, harun, heart-spoon, heroon, high noon, hsu-001, huntoon, ilkoon, immune, impoon, impugn, impune, imune, intune, jargoon, jejune, judoon, kanoon, karoun, karun, katun, keith moon, khatun, ki-moon, kokoon, korun, kowloon, kytoon, laayoune, lacune, laffoon, lagoon, lagune, lampoon, lamune, lardoon, latoun, lee je-hoon, liqun, lms-901, lovespoon, macoun, madjoun, magoon, majnoon, majoun, maroon, maroun, marroon, mattoon, matzoon, mcclune, mccuen, mccune, mckune, meroon, methuen, mid-june, mifune, mithoon, mohun, monsoon, muldoon, mxmtoon, new moon, ogoun, oppugn, pantun, parun, pashtoon, patroon, persoon, perun, petune, platoon, poltroon, pontoon, powtoon, premune, puccoon, quelquun, quintroon, raccoon, racoon, ramoon, ramune, rancune, rangoon, ratoon, rattoon, raunsoun, reprune, repugn, reune, rockoon, rough-hewn, roughhewn, rowoon, safemoon, saloon, samoon, sand dune, sashoon, sassoon, scotstoun, seldshewn, seroon, shagroon, shalloon, shamoon, shimbun, simoon, siogoon, soupspoon, soup spoon, spacetoon, spadroon, spitoon, spittoon, splatoon, spontoon, sung hoon, t-spoon, tampoon, tappoon, tarun, teaspoon, terhune, testoon, tetroon, too soon, torun, tsukune, tsurune, tuffoon, twelve noon, tycoon, tyfoon, type-moon, typhoon, undun, unhewn, varun, verboon, vodoun, walloon, webtoon, wyntoon, xiaoyun, yeppoon, zagtoon, zeitoun, zf2001, comme une, kommune

3 syllables:
01011001, actimmune, afternoon, ak-101, ambermoon, antidune, apolune, atakebune, auto-tune, autotune, babymoon, barracoon, basyoun, bigaroon, black lagoon, blatteroon, brigadoon, burnistoun, cameroon, cameroun, carrie coon, chefchaouen, chemiloon, choi tae-joon, ciclatoun, cytauxzoon, cytozoon, daniel boone, deltarune, demi-lune, demilune, dennistoun, dessertspoon, dessert spoon, disharoon, ducatoon, ducommun, ectozoon, entozoon, eozoon, epiploon, epizoon, espantoon, excommune, exomoon, facetune, familymoon, finetune, foredune, forenoon, frigatoon, gordonstoun, granfalloon, greasy spoon, harvest moon, honeymoon, hydrozoon, ju ji-hoon, kana-boon, kantokuen, kim go-eun, kite balloon, kunekune, lahmacun, laocoon, macaroon, masamune, mcaloon, medimmune, megan boone, menehune, metazoon, microzoon, musketoon, nyctibune, octaroon, ohakune, oil tycoon, olokun, opportun, opportune, or-201, oversoon, pantaloon, patacoon, perilune, phytozoon, picaroon, picayune, pickaroon, plenilune, polyzoon, protozoon, ptychozoon, pulpatoon, quarteroon, rapamune, redballoon, rigadoon, ryan dunn, sailormoon, saskatoon, scandaroon, schmigadoon, sekhukhune, semilune, semisoun, septemtrioun, sh2-101, silver spoon, sleep-at-noon, spermatoon, sporozoon, ss501, stabyhoun, steven yeun, sts-101, sugar spoon, supermoon, tablespoon, telefoon, teletoon, tenoroon, testu01, timimoun, tuyuhun, ur-100n, urbanspoon, vingt-et-un, viramune, viromune, vla2001, weatherspoon, witherspoon, wizard101, wotherspoon, xm301, year0001, yesternoon, zis-101, self-commune

4 syllables:
actinozoon, am-2201, antimonsoon, as-201, barrage balloon, billiard saloon, chekelatoun, children of dune, common raccoon, contrabassoon, dermatozoon, dishkiyaoon, dominique dunne, double bassoon, frank herbert's dune, full-of-the-moon, go2damoon, good afternoon, haematozoon, hematozoon, huevocartoon, i.i.m.u.n., inopportun, inopportune, intercommune, john c. calhoun, karbassioun, malacatune, malacotoon, melicotoon, melocotoon, midafternoon, mpu-401, muttahidoon, mvc-cov1901, mystery 101, park seo-joon, phase of the moon, pilot balloon, pirate101, reimportune, sausage balloon, sawdust saloon, signature tune, spermatozoon, strong girl bong-soon, taipei 101, tapas-bh-201, trial balloon, tuxedomoon, utsuro-bune, vaz-2101, vfa-101, vinegaroon, vinegarroon, zoey 101

5 syllables:
al-muhajiroun, al-munafiqun, cicada 3301, eperythrozoon, full phase of the moon, iso 8601, leucocytozoon, new phase of the moon, st3000dm001, trinitrotoluene, vcm-01

6 syllables:
animated cartoon, encephalitozoon, eurofighter typhoon, god emperor of dune, the dark side of the moon

7 syllables:
capital of cameroon

9 syllables:
meteorological balloon