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