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