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