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