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