2 syllables:
betel, bettle, brett hull, cetyl, detol, ettle, fettle, getal, gettel, gettle, gretal, gretel, hettel, ketal, ketel, ketol, kettel, kettell, kettle, kjetil, letal, metal, metall-, mettle, nettle, petal, pettle, rettile, setal, settle, spettle, tetel, trettel, vettel, whetile, zetel, zettel, zettle

3 syllables:
abettal, all-metal, ball nettle, bell metal, brandnetel, bull nettle, cannetille, dead-nettle, deadnettle, dead nettle, dicetyl, dissettle, false nettle, flame nettle, fondmetal, glam metal, grid metal, gunmetal, hedge nettle, hemp nettle, horse nettle, mischmetal, misch metal, mu-metal, mumetal, muntz metal, non-metal, nonmetal, nu-metal, post-metal, rebetol, resettle, rheinmetall, road metal, self-mettle, sheet-metal, sheet metal, shot metal, spurge nettle, teakettle, tegretol, thrash metal, type metal, unsettle, viettel, white metal, wood's metal, wood nettle

4 syllables:
altepetl, animetal, babbitt metal, babymetal, baremetal, biacetyl, block of metal, devil nettle, diacetyl, edelmetall, gesamtmetall, gilding metal, heavy-metal, kennametal, kobametal, lafayette hill, liquidmetal, monell metal, noble metal, painted nettle, piper betel, precious metal, roman nettle, sound of metal, sterrometal, stinging nettle, white dead nettle, white horse nettle, yellow metal

5 syllables:
alkali metal, australian nettle, citlaltepetl, fusible metal, progressive metal, sebastian vettel

6 syllables:
acetoacetyl, admiralty metal, britannia metal

2 syllables:
credal, deckle, freckle, heckle, hegel, medal, meddle, pebble, pedal, peddle, rebel, seckel, sepal, shekel, speckle, treble

3 syllables:
lacrimal, taxable, campanile, practical, passable, rational, madrigal, satiable, laughable, valuable, blastemal, cashable, manacle, fractional, clavicle, addable, affable, cascabel, tractable, palatal, actinal, tangible, casual, graspable, animal, anginal, nahuatl, mandible, fallible, actual, flammable, cannibal, national, acetyl, basketful, palpable, anodal, placable, addible, hasdrubal, capital, vaginal, radical, basophil, saxatile, radicle, actable, maximal, damnable, air medal, bespeckle, bipedal, brake pedal, clutch pedal, gas pedal, jezebel, loud pedal, soft-pedal, soft pedal

4 syllables:
extractable, admirable, matabele, invaluable, detachable, propranolol, pack animal, infallible, translatable, unchangeable, abactinal, impalpable, hexagonal, infrangible, unflappable, irrational, risk capital, compatible, inflammable, moss animal, tameable, marriageable, adaptable, grand national, unpassable, attachable, small capital, contrapuntal, collapsible, translational, diagonal, impassable, intractable, expandable, free radical, spermatocele, grammatical, intangible, octagonal, expansible, implacable, fashionable, impractical, merchantable, brilliant pebble, bronze star medal, quadrupedal

5 syllables:
working capital, venture capital, understandable, multinational, international, semiannual, incompatible, combinational, ideational, silver star medal, sustaining pedal

6 syllables:
national capital, domestic animal

7 syllables:
operating capital, accelerator pedal, distinguished conduct medal, distinguished service medal

8 syllables:
georg wilhelm friedrich hegel