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