Words That Rhyme With "Impassable" :
3 syllables:
actable, addable, affable, bankable, cashable, chasuble, crucible, damnable, danceable, decibel, dowsabel, flammable, fleeceable, graspable, kissable, lapsable, laughable, leasable, miscible, passable, placable, placeable, salvable, taxable, traceable, trackable, tractable, useable, valuable
4 syllables:
accessible, adaptable, addressable, admissible, assessable, attachable, attractable, cognoscible, collapsable, comeatable, compressible, contractable, deducible, detachable, dismissible, effaceable, embraceable, erasable, expressible, extractable, extrusible, getatable, immiscible, implacable, impressible, inflammable, intractable, invaluable, irascible, nonmiscible, nontaxable, omissible, permissible, producible, protrusible, putrescible, reducible, remissible, replaceable, resistable, retractable, transmissible, transplantable, unfaceable, unflappable, unguessable, unmatchable, unmissable, unplaceable, untraceable, vitrescible
5 syllables:
diagnosable, impermissible, imputrescible, inaccessible, inadaptable, inadmissible, incompressible, indivisible, ineffaceable, inerasable, inevasible, inexplicable, inexpressible, insuppressible, irreducible, irremissible, irreplaceable, irrepressible, irretraceable, reproducible, unattackable, understandable, uninflammable