Here's what rhymes with cationogenic.
antigenic carcinogenic splenic biogenic eugenic neurogenic phrenic psychogenic allergenic irenic pathogenic pyogenic photogenic hypoallergenic transgenic cryogenic mutagenic androgenic telegenic schizophrenic anthropogenic iatrogenic teratogenic hallucinogenic neurasthenic calisthenic callisthenic Words that almost rhyme with cationogenic
totemic pfennig academic endemic polemic epidemic systemic ischemic pandemic leukaemic epistemic nonacademic technic benthic derrick poetic pelvic ferric relic peptic eutectic steric medic fetich pectic unauthentic genetic authentic energetic generic acetic majestic metric pathetic angelic ascetic forensic numeric septic centric cleric enteric hectic allelic emetic sceptic turmeric inauthentic homiletic bathetic domestic magnetic aesthetic kinetic prophetic synthetic anesthetic athletic diabetic apologetic esoteric esthetic phonetic alphabetic anaesthetic apathetic aseptic diuretic monomeric psychedelic skeptic tartaric anorexic chimeric dietetic geodesic geodetic hermetic hysteric acerbic anorectic antithetic evangelic lovesick polytechnic pyrotechnic gametic paregoric redbrick unaesthetic copacetic electric sympathetic atmospheric dialectic dielectric eccentric geometric symmetric antiseptic cosmetic eclectic epileptic mesenteric obstetric prosthetic psychometric cybernetic egocentric empathetic ethnocentric frenetic isomeric neuroleptic ontogenetic apoplectic dyslexic dyspeptic geocentric ionospheric paramedic splenetic thermometric diametric parenthetic exegetic nonathletic phrenetic dyslectic arithmetic asymmetric concentric parametric volumetric econometric isometric phylogenetic unsympathetic antidiuretic barometric kinesthetic photometric alphanumeric antipathetic cataleptic nonmagnetic paraplegic unapologetic nonelectric psychokinetic unesthetic cliometric photoelectric photosynthetic biosynthetic colorimetric ferromagnetic geomagnetic isoelectric paramagnetic pharmacokinetic anthropocentric heliocentric peripatetic radiometric onomatopoetic narcoleptic telekinetic hydroelectric parasympathetic nonparametric stoichiometric piezoelectric trigonometric electromagnetic