Here's what rhymes with geochemical.
chemical biochemical alchemical polemical photochemical histochemical physicochemical immunohistochemical Words that almost rhyme with geochemical
medical clerical seminal caramel terrible marital credible decimal parable retinal skeletal skeptical sceptical legible bearable chimerical tentacle wearable pentacle accessible cerebral numerical sensible festival spectacle vegetable genital sectional sensual pedestal segmental correctional illegible ineffable sentinel tenable trigeminal testable inedible prophetical correctable breathable forgettable premedical weldable bendable quenchable professional acceptable flexible exceptional incredible amenable plentiful textual commendable confessional directional receptacle unbearable attentional impeccable premarital regrettable execrable obsessional anticlerical concessional processional collectible paramedical repairable amendable collectable recessional spendable stretchable comestible connectable electable nonclerical spreadable unwearable connectible conventional dimensional congenital hypothetical intestinal perceptual susceptible congressional inaccessible intentional perceptible contemptible dependable detectable insensible lamentable untenable defensible detestable ostensible unforgettable bidirectional compressible delectable digestible expendable expressible extensional presentable preventable urogenital contestable dispensable extensible impressible suggestible conceptional convectional extendable perfectible perceptional preventible suppressible complexional detectible nonnumerical respectable heterosexual homosexual unacceptable inflexible impregnable irrepressible inflectional psychosexual twodimensional unprofessional unquenchable unexceptional inflexional recommendable indispensable unconventional inexpressible reprehensible unintentional extramarital incompressible incontestable indefensible indigestible intracerebral threedimensional undetectable nonprofessional insusceptible undependable subprofessional unpreventable alphanumerical noncollectable comprehensible unidirectional intertextual paraprofessional semiprofessional gastrointestinal multidimensional musculoskeletal