Here's what rhymes with haffable.
affable laughable Words that almost rhyme with haffable
satiable savable passable chasuble impassable impassible fallible addible animal valuable cannibal flammable fanciable actual radical tangible palpable taxable infallible mandible axonal factional verapamil blamable bankable cantabile frangible national rational casual diagonal invaluable maximal adaptable fractional inflammable tractable detachable cantonal madrigal graspable unflappable practical compatible irrational hexagonal implacable intangible clavicle octagonal impalpable collapsible expandable merchantable nonflammable attractable declarable grammatical intractable semiannual nontaxable retractable incompatible understandable impractical interactional transactional unpractical nondetachable international transnational lnternational supranational ungrammatical multinational