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