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