Here's what rhymes with polycylindrical.
cylindrical Words that almost rhyme with polycylindrical
lyrical cynical rhythmical finical physical critical mystical elliptical whimsical rabbinical sophistical tricycle arrhythmical empirical statistical analytical atypical umbilical inimical logistical uncritical apolitical egotistical preclinical subliminal untypical overcritical geopolitical hypocritical encyclical supercritical nonphysical hypercritical noncritical unpolitical egoistical metaphysical prototypical nonpolitical parasitical archetypical noncriminal sociopolitical stereotypical psychoanalytical impermissible indivisible