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