2 syllables:
boepple, copal, copel, go pill, kloeppel, koeppel, kopel, nopal, opal, opale, opel, ople, propyl, scopal, topal, topel

3 syllables:
black opal, dipropyl

4 syllables:
amphitropal, andrinople, fire opal, isopropyl

5 syllables:
adrianople, batbygobstopl, constantinople, harlequin opal

2 syllables:
crotal, focal, global, local, mobile, modal, moghul, mogul, motile, noble, ogle, roble, snowbell, socle, total, vocal, vogul, yodel

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, asphodel, bimodal, chernobyl, ennoble, ignoble, immobile, immotile, nonmotile, sum total

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, anecdotal, paso doble, sacerdotal, unimodal, univocal

5 syllables:
working capital, venture capital, understandable, multinational, international, semiannual, incompatible, combinational, ideational

6 syllables:
national capital, domestic animal

7 syllables:
operating capital