diagonal octagonal hexagonal

Words that almost rhyme with quadragonal

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