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