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