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