Here's what rhymes with pentaspherical.
spherical hysterical hemispherical Words that almost rhyme with pentaspherical
helical angelical evangelical vesicle vesical heretical metrical technical theoretical lexical poetical symmetrical unethical testicle hermetical identical electrical geometrical alphabetical asymmetrical antithetical biomedical academical obstetrical parenthetical diametrical dialectical arithmetical exegetical imperceptible nonsensical petrochemical unsymmetrical ecumenical indelible nontechnical nonidentical extendible nonelectrical pyrotechnical infinitesimal electrochemical trigonometrical incomprehensible
