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