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