diagonal octagonal hexagonal

Words that almost rhyme with tridiagonal

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