Here's what rhymes with nucleosynthetic.
synthetic fetich aesthetic acetic ascetic esthetic poetic sympathetic athletic pathetic phonetic biosynthetic emetic hermetic parenthetic bathetic magnetic genetic energetic kinetic prophetic anesthetic cosmetic anaesthetic apathetic photosynthetic empathetic frenetic kinesthetic antithetic homiletic gametic unaesthetic exegetic phrenetic arithmetic diabetic alphabetic diuretic prosthetic unsympathetic cybernetic dietetic geodetic splenetic nonathletic unesthetic copacetic geomagnetic antipathetic apologetic parasympathetic phylogenetic ferromagnetic ontogenetic nonmagnetic psychokinetic antidiuretic paramagnetic peripatetic unapologetic telekinetic pharmacokinetic onomatopoetic electromagnetic Words that almost rhyme with nucleosynthetic
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 cliometric 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 callisthenic parametric volumetric barometric colorimetric cryogenic iatrogenic isoelectric mutagenic alphanumeric androgenic apoplectic heliocentric radiometric cataleptic calisthenic hypoallergenic narcoleptic nonelectric telegenic carcinogenic photoelectric anthropogenic teratogenic trigonometric nonacademic paraplegic polytechnic pyrotechnic hydroelectric nonparametric piezoelectric stoichiometric anthropocentric hallucinogenic