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