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