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