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