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