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