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