2 syllables:
arten, artin, art in, barten, barton, bar tin, cartin, carton, chart in, darton, garten, gartin, garton, harten, hartin, harton, hearten, heart in, kartan, karten, karton, maarten, marten, marton, martyn, partan, parten, partin, parton, part in, quartan, sartan, sartin, sarton, smarten, spartan, starten, start in, tartan, vartan, zartan

3 syllables:
apart in, augarten, beech marten, bongarten, cathartin, delbarton, demartin, depart in, dishearten, dumbarton, enhearten, free-martin, freemartin, gilmartin, guilmartin, hallgarten, kilmartin, losartan, mccartan, mccarten, mccartin, mcmartin, pine marten, stone marten, valsartan, weingarten, will barton, wright-martin

4 syllables:
cakravartin, candesartan, chakravartin, hinterzarten, irbesartan, kindergarten, olmesartan, orthocartan, rosengarten, telmisartan

5 syllables:
pre-kindergarten

6 syllables:
american marten, roquebrune-cap-martin

7 syllables:
sacubitril/valsartan

2 syllables:
pardon, burton, organ, hearken, tarpan, birken, garden, durban, gorgon, urban, morgen, firkin, morton, gherkin, zircon, darken, verdin, jargon, certain, hairpin, norton, gordon, carbon, turban, bourbon, jerkin, jordan, cordon, tarpon, bourdon, guerdon, morgan, harden, curtain, harken, birchen, orpin, bargain, shorten, sharpen, verdun, warden, bergen, burden, airgun, carden, darden, gergen, horton, riordan, terpene, durbin, harkin, work-in

3 syllables:
unburden, drop curtain, tea garden, hand organ, herb garden, house organ, mouth organ, uncertain, pipe organ, reed organ, rock garden, roof garden, disburden, sense organ, game warden, suburban, sex organ, end organ, bombardon, cell organ, churchwarden, face-harden, foreshorten, for certain, free pardon, grind organ, hop garden, incertain, plant organ, rose garden, speech organ, steam organ, street organ, truck garden

4 syllables:
market garden, reserpine, foreordain, iron curtain, safety curtain, bamboo curtain, hydrocarbon, beast of burden, barrel organ, white man's burden, fluorocarbon, chinook jargon, overburden, kitchen garden, chernomyrdin, closing curtain, daniel morgan, fire warden, flower garden, genus tarpon, hammond organ, henry morgan, indoor garden, in the bargain, j p morgan, lycoperdon, onopordon, shower curtain, sunken garden, travel bargain, vital organ

5 syllables:
john pierpont morgan, electric organ, battle of verdun, external organ, genital organ, internal organ, into the bargain, oregon jargon, ruptiliocarpon, theater curtain, theatre curtain, thomas hunt morgan, vegetable garden, victory garden

6 syllables:
zoological garden, botanical garden, activated carbon, american organ, capital of jordan, electronic organ, excretory organ, lateral line organ, olfactory organ, reproductive organ, urinary organ

7 syllables:
respiratory organ

8 syllables:
hashemite kingdom of jordan

10 syllables:
male internal reproductive organ

11 syllables:
female internal reproductive organ