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