1 syllable:
blown, boan, boehne, boen, bohn, bohne, bone, bown, bowne, clone, coan, cohn, cone, crone, doan, doane, doanh, don't, drone, flown, fone, goan, goen, groan, groen, grone, grown, hoehn, hoehne, hoen, hone, joan, jone, kloehn, known, koehn, koehne, koen, kohne, krohn, loan, lone, moan, moen, mon, mone, oanh, own, phone, plohn, prone, rhone, roan, roane, roen, rone, schoen, schone, scone, sewn, shone, shown, sloan, sloane, slone, sown, stone, thoen, thone, throne, thrown, tone, trone, zone

2 syllables:
arm bone, arone, athlone, atone, barone, barrone, bastogne, bayonne, bemoan, blue stone, cadrone, calf bone, call loan, capone, carone, catone, chest tone, cirone, cologne, condone, cyclone, damone, dethrone, dijon, disown, dragone, drop scone, drop zone, farone, fir cone, flat bone, flintstone, free zone, garone, head tone, hipbone, homegrown, intone, latrone, leg bone, leone, long bone, lupone, malone, mamone, marone, masone, mccone, mccrone, mcglone, mchone, mckone, mckown, melloan, milone, mione, montrone, neck bone, nose cone, outgrown, outshone, palone, pavone, perone, picone, pin bone, pirone, postpone, pure tone, ramon, ramone, raton, round bone, salone, scavone, scimone, sharon, shirone, short bone, simone, splint bone, stallone, storm cone, tail bone, time loan, tirone, trombone, tyrone, unknown, valone, vanstone, varone, wedge bone, well known, whole tone, wrist bone, yarchoan

3 syllables:
arctic zone, better known, bishop's throne, bladder stone, bourguignon, calderon, cannon bone, carpal bone, china stone, cipollone, combat zone, coping stone, crazy bone, danger zone, demand loan, dial phone, direct loan, dropping zone, fetter bone, frigid zone, frontal bone, fully grown, funny bone, hold one's own, kidney stone, leading tone, living stone, loading zone, making known, membrane bone, muscle tone, nasal bone, of her own, of his own, of one's own, of their own, of your own, on her own, on his own, on one's own, on their own, on your own, overblown, overgrown, overthrown, passing tone, paving stone, polar zone, precious stone, pubic bone, pudding stone, pumice stone, romanone, safety zone, shoulder bone, stepping stone, sticks and stone, temperate zone, tidal zone, torrid zone, unbeknown, wishing bone

4 syllables:
antarctic zone, cartilage bone, cellular phone, cinnamon stone, climatic zone, concepcion, consumer loan, eau de cologne, emery stone, enterprise zone, flowering stone, foundation stone, littoral zone, north frigid zone, north temperate zone, of our own, palatine bone, personal loan, retinal cone, rosetta stone, savings and loan, south frigid zone, south temperate zone, temporal bone, tropical zone, truncated cone, tympanic bone

5 syllables:
alluvial cone, corporacion, cuneiform bone, diaz-calderon, innominate bone, metacarpal bone, occipital bone, parietal bone, pyramidal bone, sierra leone

6 syllables:
element of a cone, geographical zone, participation loan

7 syllables:
fibrous dysplasia of bone

9 syllables:
capital of sierra leone