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