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