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