Here's what rhymes with extrapyramidal.
pyramidal Words that almost rhyme with extrapyramidal
blamable cannibal flammable inflammable nonflammable national radical rational casual diagonal verapamil practical irrational maximal clavicle factional lnternational octagonal cantonal madrigal international grammatical transnational fractional interactional supranational transactional unpractical multinational hexagonal impractical ungrammatical semiannual