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