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