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