diagonal hexagonal

Words that almost rhyme with octagonal

national rational palatal passable chasuble capital radical casual tangible irrational palpable taxable pyramidal clavicle factional fallible sagittal cannibal laughable cantonal blamable bankable satiable savable practical valuable compatible adaptable fractional impassable mandible tractable detachable flammable madrigal impassible cantabile graspable fanciable international grammatical infallible intangible interactional lnternational impalpable collapsible expandable merchantable unpractical nontaxable unflappable frangible attractable declarable incompatible invaluable multinational transnational implacable impractical intractable inflammable supranational transactional ungrammatical retractable nonflammable nondetachable understandable semiannual extrapyramidal