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