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